diff --git a/.gitignore b/.gitignore
index 1896c6381..e0118617d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,6 +36,7 @@
 /resources
 /src/supplement.gypi
 /testing
+/third_party/asan
 /third_party/cygwin
 /third_party/expat
 /third_party/google-gflags/src
diff --git a/tools/valgrind-webrtc/memcheck/suppressions.txt b/tools/valgrind-webrtc/memcheck/suppressions.txt
new file mode 100644
index 000000000..112301799
--- /dev/null
+++ b/tools/valgrind-webrtc/memcheck/suppressions.txt
@@ -0,0 +1,30 @@
+# There are four kinds of suppressions in this file.
+# 1. third party stuff we have no control over
+#
+# 2. intentional unit test errors, or stuff that is somehow a false positive
+# in our own code, or stuff that is so trivial it's not worth fixing
+#
+# 3. Suppressions for real WebRTC bugs that are not yet fixed.
+# These should all be in WebRTC's bug tracking system.
+# Periodically we should sweep this file and the bug tracker clean by
+# running overnight and removing outdated bugs/suppressions.
+#
+# 4. issues that happen only on Google workstations.
+#-----------------------------------------------------------------------
+
+
+
+# 1. third party stuff we have no control over
+
+#-----------------------------------------------------------------------
+# 2. intentional unit test errors, or stuff that is somehow a false positive
+# in our own code, or stuff that is so trivial it's not worth fixing
+
+#-----------------------------------------------------------------------
+# 3. Suppressions for real chromium bugs that are not yet fixed.
+# These should all be in WebRTC's bug tracking system.
+
+
+#-----------------------------------------------------------------------
+# 4. These only occur on our Google workstations
+
diff --git a/tools/valgrind-webrtc/memcheck/suppressions_mac.txt b/tools/valgrind-webrtc/memcheck/suppressions_mac.txt
new file mode 100644
index 000000000..a387a6416
--- /dev/null
+++ b/tools/valgrind-webrtc/memcheck/suppressions_mac.txt
@@ -0,0 +1,323 @@
+# There are three kinds of suppressions in this file:
+# 1. Third party stuff we have no control over.
+#
+# 2. Intentional unit test errors, stuff that is somehow a false positive
+# in our own code, or stuff that is so trivial it's not worth fixing.
+#
+# 3. Suppressions for real WebRTC bugs that are not yet fixed.
+# These should all be in WebRTC's bug tracking system.
+# Periodically we should sweep this file and the bug tracker clean by
+# running overnight and removing outdated bugs/suppressions.
+#-----------------------------------------------------------------------
+
+# 1. Third party stuff we have no control over.
+{
+   FIXME mac kevent libevent probably needs valgrind hooks
+   Memcheck:Param
+   kevent(changelist)
+   fun:kevent
+   fun:event_base_new
+}
+{
+   # CoreAudio leak.  See http://crbug.com/9351
+   bug_9351
+   Memcheck:Leak
+   ...
+   fun:_ZN12HALCADClient19AddPropertyListenerEmPK26AudioObjectPropertyAddressPFlmmS2_PvES3_
+   fun:_ZN16HALDefaultDevice22InstallServerListenersEv
+   fun:_ZN16HALDefaultDevice10InitializeEv
+   fun:_ZN9HALSystem16CheckOutInstanceEv
+}
+{
+   # Mac test_shell_tests.  See http://crbug.com/11134
+   # Doesn't happen on bots, but happens like crazy on the smo
+   # test machine 'caliban'.  Don't delete just because it
+   # doesn't happen on the bots.
+   bug_11134
+   Memcheck:Uninitialized
+   fun:vCMMVectorConvert8BitRGBToRGB
+   fun:_ZNK15CMMConvRGBToRGB7ConvertER8CMM8BitsP14CMMRuntimeInfomm
+}
+{
+   # Mac system library bug?  See http://crbug.com/11327
+   bug_11327
+   Memcheck:Uninitialized
+   fun:_ZN19AudioConverterChain5ResetEv
+   fun:AudioConverterReset
+   obj:/System/Library/Components/CoreAudio.component/Contents/MacOS/CoreAudio
+}
+{
+   # Mac system library bug?  See http://crbug.com/11327
+   bug_11327b
+   Memcheck:Uninitialized
+   fun:AUNetSendEntry
+   fun:AUNetSendEntry
+   obj:/System/Library/Components/CoreAudio.component/Contents/MacOS/CoreAudio
+}
+{
+   # Filed with Apple as rdar://6915060; see http://crbug.com/11270
+   bug_11270
+   Memcheck:Leak
+   fun:calloc
+   fun:CMSSetLabCLUT
+}
+{
+   # Mac leak in CMOpenOrNewAccess in unit_tests PlatformCanvas_SkLayer_Test,
+   # ToolbarControllerTest_FocusLocation_Test. See http://crbug.com/11333.
+   bug_11333
+   Memcheck:Leak
+   fun:malloc
+   fun:stdSmartNewPtr
+   fun:stdSmartNewHandle
+   fun:IOCreateAndOpen
+   fun:ScratchInit
+   fun:CMOpenOrNewAccess
+}
+{
+   # suddenly very common as of 6 aug 2009
+   bug_11333b
+   Memcheck:Leak
+   fun:malloc
+   fun:stdSmartNewPtr
+   fun:stdSmartNewHandle
+   fun:IOCreateAndOpen
+   fun:ScratchInit
+   fun:CMNewAccessFromAnother
+}
+{
+   # Tiny one-time leak, widely seen by valgind users; everyone suppresses this.
+   # See related discussion at http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39366
+   plugin_bundle_global_leak
+   Memcheck:Leak
+   fun:malloc
+   fun:__cxa_get_globals
+   fun:__cxa_allocate_exception
+   fun:_ZN4dyld4loadEPKcRKNS_11LoadContextE
+   fun:dlopen
+   fun:dlopen
+   fun:_CFBundleDlfcnCheckLoaded
+}
+{
+   bug_18215
+   Memcheck:Uninitialized
+   fun:_DPSNextEvent
+   fun:-[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]
+   fun:-[NSApplication run]
+}
+{
+   bug_18223
+   Memcheck:Uninitialized
+   fun:_ZNK8Security12UnixPlusPlus17StaticForkMonitorclEv
+   fun:_ZN12ocspdGlobals10serverPortEv
+}
+{
+   # Filed with Apple as rdar://7255382
+   bug_20459a
+   Memcheck:Leak
+   ...
+   fun:_CFRuntimeCreateInstance
+   fun:CFRunLoopSourceCreate
+   fun:CFMachPortCreateRunLoopSource
+   fun:_ZN8Security12MachPlusPlus10CFAutoPort6enableEv
+   fun:_ZN8Security14SecurityServer14ThreadNotifierC2Ev
+}
+{
+   # Also filed with Apple as rdar://7255382
+   bug_20459b
+   Memcheck:Leak
+   fun:malloc_zone_malloc
+   fun:_CFRuntimeCreateInstance
+   fun:__CFArrayInit
+   fun:CFArrayCreateMutableCopy
+   fun:_ZN8Security12KeychainCore5Trust8evaluateEv
+}
+# See description of bug_20653a/b in suppressions.txt.
+{
+   bug_20653a_mac
+   Memcheck:Param
+   write(buf)
+   fun:write$UNIX2003
+   fun:pager_write_pagelist
+}
+{
+   bug_20653b_mac
+   Memcheck:Param
+   write(buf)
+   fun:write$UNIX2003
+   ...
+   fun:pager_write
+}
+
+# See http://www.openradar.me/8287193
+{
+   Invalid redzone accesses in DKeyHas8Words
+   Memcheck:Unaddressable
+   fun:DKeyHas8Words
+}
+
+# See https://bugs.kde.org/show_bug.cgi?id=188572
+# This suppression is missing in Valgrind on Mac 10.6
+# TODO(glider): remove it once it arrives in the trunk.
+{
+   Unavoidable leak in setenv()
+   Memcheck:Leak
+   fun:malloc_zone_malloc
+   fun:__setenv
+   fun:setenv$UNIX2003
+}
+{
+   # Reported to Apple as rdar://6915429
+   bug_12525
+   Memcheck:Leak
+   ...
+   fun:-[CIContextImpl render:toBitmap:rowBytes:bounds:format:colorSpace:]
+}
+{
+   bug_69436
+   Memcheck:Leak
+   ...
+   fun:-[CIKernel initWithCString:noCopy:]
+   ...
+   fun:-[NSPopUpButtonCell _drawIndicatorWithFrame:inView:]
+}
+{
+   # Capturer on Mac uses OpenGL driver, which triggers several warnings.
+   # The check has to be quite generic, as different hardware graphics cards
+   # will cause different sets of warnings.
+   bug_75037
+   Memcheck:Uninitialized
+   ...
+   fun:_ZN8remoting*CapturerMac*
+}
+{
+   # See also http://openradar.appspot.com/radar?id=1235407
+   bug_77063
+   Memcheck:Free
+   fun:_ZdlPv
+   fun:_ZN15THFSPlusCatalogD2Ev
+   fun:_ZN5TNode10SetCatalogEP15THFSPlusCatalog
+   fun:_ZN15TMountPointList9AddVolumeEsb
+   fun:_ZN15TMountPointList4FindEsPN5TNode12StPopulatingE
+   fun:_ZN15TMountPointList20SupportsInvisibleBitEsPN5TNode12StPopulatingEb
+   fun:_ZNK21THFSPlusPropertyStore4OpenEbb
+   fun:_ZNK21THFSPlusPropertyStore13GetPropertiesEb
+   fun:_ZN16TFSCopyOperation22GetSourcePropertyStoreERK11THFSPlusRef
+   fun:_ZN16TFSCopyOperation13DoMoveToTrashERK11THFSPlusRef
+   fun:_ZN16TFSCopyOperation3RunEv
+   fun:_FSOperation
+   fun:_FSOperateOnObjectSync
+   fun:FSMoveObjectToTrashSync
+   fun:_Z9TrashFuncRK8FilePath
+}
+{
+   # See also http://openradar.appspot.com/radar?id=1169404
+   bug_79533a
+   Memcheck:Uninitialized
+   ...
+   fun:_Z*19cssm_DataAbortQuery17cssm_dl_db_handlel
+   fun:CSSM_DL_DataAbortQuery
+   fun:_ZN11SSDLSession14DataAbortQueryEll
+   fun:_Z*19cssm_DataAbortQuery17cssm_dl_db_handlel
+   fun:CSSM_DL_DataAbortQuery
+   fun:tpDbFindIssuerCrl
+   fun:tpVerifyCertGroupWithCrls
+}
+{
+   # See also http://openradar.appspot.com/radar?id=1169404
+   bug_79533b
+   Memcheck:Uninitialized
+   ...
+   fun:_Z*19cssm_DataAbortQuery17cssm_dl_db_handlel
+   fun:CSSM_DL_DataAbortQuery
+   fun:_ZN11SSDLSession14DataAbortQueryEll
+   fun:_Z*19cssm_DataAbortQuery17cssm_dl_db_handlel
+   fun:CSSM_DL_DataAbortQuery
+   fun:tpDbFindIssuerCrl
+   fun:tpVerifyCertGroupWithCrls
+}
+{
+   bug_85213_a
+   Memcheck:Leak
+   ...
+   fun:_CFBundleCopyDirectoryContentsAtPath
+}
+{
+   bug_85213_b
+   Memcheck:Leak
+   ...
+   fun:_CFBundleCopyInfoDictionaryInDirectoryWithVersion
+}
+{
+   bug_85213_c
+   Memcheck:Leak
+   ...
+   fun:_CFBundleURLLooksLikeBundleVersion
+}
+{
+   bug_85213_d
+   Memcheck:Leak
+   ...
+   fun:_CFBundleCreate
+   fun:_ZN6webkit5npapi9PluginLib17ReadWebPluginInfoERK8FilePathPNS0_13WebPluginInfoE
+}
+{
+   bug_85213_e
+   Memcheck:Leak
+   ...
+   fun:CFBundlePreflightExecutable
+   fun:_ZN6webkit5npapi9PluginLib17ReadWebPluginInfoERK8FilePathPNS0_13WebPluginInfoE
+}
+{
+   bug_85213_f
+   Memcheck:Leak
+   ...
+   fun:CFBundleGetPackageInfo
+   fun:_ZN6webkit5npapi9PluginLib17ReadWebPluginInfoERK8FilePathPNS0_13WebPluginInfoE
+}
+{
+   bug_86927
+   Memcheck:Leak
+   fun:malloc
+   fun:CGSMapShmem
+   fun:CGSResolveShmemReference
+   fun:CGSScoreboard
+   fun:initCGDisplayState
+   fun:initCGDisplayMappings
+   fun:cgsInit
+   fun:pthread_once
+   fun:CGSInitialize
+   fun:CGSServerOperationState
+   fun:+[NSThemeFrame initialize]
+   fun:_class_initialize
+}
+{
+   # QTKit leak. See http://crbug.com/100772 and rdar://10319535.
+   bug_100772
+   Memcheck:Leak
+   fun:calloc
+   fun:QTMLCreateMutex
+   fun:WarholCreateGlobals
+   fun:INIT_QuickTimeLibInternal
+   fun:pthread_once
+   fun:INIT_QuickTimeLib
+   fun:EnterMovies_priv
+   fun:EnterMovies
+   fun:TundraUnitInputFromTSFileEntry
+   fun:TundraUnitVDIGInputEntry
+   fun:TundraUnitCreateFromDescription
+   fun:+[QTCaptureVDIGDevice _refreshDevices]
+   fun:+[QTCaptureVDIGDevice devicesWithIOType:]
+   fun:+[QTCaptureDevice devicesWithIOType:]
+   fun:+[QTCaptureDevice inputDevices]
+   fun:+[QTCaptureDevice inputDevicesWithMediaType:]
+   fun:+[VideoCaptureDeviceQTKit deviceNames]
+   fun:_ZN5media18VideoCaptureDevice14GetDeviceNamesEPSt4listINS0_4NameESaIS2_EE
+   fun:_ZN5media21VideoCaptureDeviceMac4InitEv
+   fun:_ZN5media18VideoCaptureDevice6CreateERKNS0_4NameE
+   fun:_ZN5media45VideoCaptureDeviceTest_OpenInvalidDevice_Test8TestBodyEv
+}
+
+# 2. Intentional unit test errors, stuff that is somehow a false positive
+# in our own code, or stuff that is so trivial it's not worth fixing.
+
+# 3. Suppressions for real WebRTC bugs that are not yet fixed.
diff --git a/tools/valgrind-webrtc/webrtc_tests.py b/tools/valgrind-webrtc/webrtc_tests.py
new file mode 100755
index 000000000..b532a1f13
--- /dev/null
+++ b/tools/valgrind-webrtc/webrtc_tests.py
@@ -0,0 +1,156 @@
+#!/usr/bin/env python
+# Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+''' Runs various WebRTC tests through valgrind_test.py.
+
+This script inherits the chrome_tests.py in Chrome, replacing its tests with
+our own in WebRTC instead.
+'''
+
+import optparse
+import sys
+
+import logging_utils
+
+import chrome_tests
+
+class WebRTCTests(chrome_tests.ChromeTests):
+  # WebRTC tests, similar functions for each tests as the Chrome tests in the
+  # parent class.
+  def TestSignalProcessing(self):
+    return self.SimpleTest("signal_processing", "signal_processing_unittests")
+
+  def TestResampler(self):
+    return self.SimpleTest("resampler", "resampler_unittests")
+
+  def TestVAD(self):
+    return self.SimpleTest("vad", "vad_unittests")
+
+  def TestCNG(self):
+    return self.SimpleTest("cng", "cng_unittests")
+
+  def TestG711(self):
+    return self.SimpleTest("g711", "g711_unittests")
+
+  def TestG722(self):
+    return self.SimpleTest("g722", "g722_unittests")
+
+  def TestPCM16B(self):
+    return self.SimpleTest("pcm16b", "pcm16b_unittests")
+
+  def TestNetEQ(self):
+    return self.SimpleTest("neteq", "neteq_unittests")
+
+  def TestAudioConferenceMixer(self):
+    return self.SimpleTest("audio_conference_mixer", "audio_conference_mixer_unittests")
+
+  def TestMediaFile(self):
+    return self.SimpleTest("media_file", "media_file_unittests")
+
+  def TestRTPRTCP(self):
+    return self.SimpleTest("rtp_rtcp", "rtp_rtcp_unittests")
+
+  def TestBWE(self):
+    return self.SimpleTest("test_bwe", "test_bwe")
+
+  def TestUDPTransport(self):
+    return self.SimpleTest("udp_transport", "udp_transport_unittests")
+
+  def TestWebRTCUtility(self):
+    return self.SimpleTest("webrtc_utility", "webrtc_utility_unittests")
+
+  def TestVP8(self):
+    return self.SimpleTest("vp8", "vp8_unittests")
+
+  def TestVideoCoding(self):
+    return self.SimpleTest("video_coding", "video_coding_unittests")
+
+  def TestVideoProcessing(self):
+    return self.SimpleTest("video_processing", "video_processing_unittests")
+
+  def TestSystemWrappers(self):
+    return self.SimpleTest("system_wrappers", "system_wrappers_unittests")
+
+  def TestTestSupport(self):
+    return self.SimpleTest("test_support", "test_support_unittests")
+
+def _main(_):
+  parser = optparse.OptionParser("usage: %prog -b <dir> -t <test> "
+                                 "[-t <test> ...]")
+  parser.disable_interspersed_args()
+  parser.add_option("-b", "--build_dir",
+                    help="the location of the compiler output")
+  parser.add_option("-t", "--test", action="append", default=[],
+                    help="which test to run, supports test:gtest_filter format "
+                         "as well.")
+  parser.add_option("", "--baseline", action="store_true", default=False,
+                    help="generate baseline data instead of validating")
+  parser.add_option("", "--gtest_filter",
+                    help="additional arguments to --gtest_filter")
+  parser.add_option("", "--gtest_repeat",
+                    help="argument for --gtest_repeat")
+  parser.add_option("-v", "--verbose", action="store_true", default=False,
+                    help="verbose output - enable debug log messages")
+  parser.add_option("", "--tool", dest="valgrind_tool", default="memcheck",
+                    help="specify a valgrind tool to run the tests under")
+  parser.add_option("", "--tool_flags", dest="valgrind_tool_flags", default="",
+                    help="specify custom flags for the selected valgrind tool")
+  parser.add_option("", "--keep_logs", action="store_true", default=False,
+                    help="store memory tool logs in the <tool>.logs directory "
+                         "instead of /tmp.\nThis can be useful for tool "
+                         "developers/maintainers.\nPlease note that the <tool>"
+                         ".logs directory will be clobbered on tool startup.")
+  options, args = parser.parse_args()
+
+  if options.verbose:
+    logging_utils.config_root(logging.DEBUG)
+  else:
+    logging_utils.config_root()
+
+  if not options.test:
+    parser.error("--test not specified")
+
+  if len(options.test) != 1 and options.gtest_filter:
+    parser.error("--gtest_filter and multiple tests don't make sense together")
+
+  for t in options.test:
+    tests = WebRTCTests(options, args, t)
+    ret = tests.Run()
+    if ret: return ret
+  return 0
+
+if __name__ == "__main__":
+  # Overwrite the ChromeTests tests dictionary with our WebRTC tests. 
+  # The cmdline option allows the user to pass any executable as parameter to
+  # the test script, which is useful when developing new tests that are not yet
+  # present in this script.
+  chrome_tests.ChromeTests._test_list = {
+    "cmdline": chrome_tests.ChromeTests.RunCmdLine,
+    "signal_processing": WebRTCTests.TestSignalProcessing,
+    "resampler": WebRTCTests.TestResampler,
+    "vad": WebRTCTests.TestVAD,
+    "cng": WebRTCTests.TestCNG,
+    "g711": WebRTCTests.TestG711,
+    "g722": WebRTCTests.TestG722,
+    "pcm16b": WebRTCTests.TestPCM16B,
+    "neteq": WebRTCTests.TestNetEQ,
+    "audio_conference_mixer": WebRTCTests.TestAudioConferenceMixer,
+    "media_file": WebRTCTests.TestMediaFile,
+    "rtp_rtcp": WebRTCTests.TestRTPRTCP,
+    "test_bwe": WebRTCTests.TestBWE,
+    "udp_transport": WebRTCTests.TestUDPTransport,
+    "webrtc_utility": WebRTCTests.TestWebRTCUtility,
+    "vp8": WebRTCTests.TestVP8,
+    "video_coding": WebRTCTests.TestVideoCoding,
+    "video_processing": WebRTCTests.TestVideoProcessing,
+    "system_wrappers": WebRTCTests.TestSystemWrappers,
+    "test_support": WebRTCTests.TestTestSupport,
+  }
+  ret = _main(sys.argv)
+  sys.exit(ret)  
\ No newline at end of file
diff --git a/tools/valgrind-webrtc/webrtc_tests.sh b/tools/valgrind-webrtc/webrtc_tests.sh
new file mode 100755
index 000000000..e33b78c6f
--- /dev/null
+++ b/tools/valgrind-webrtc/webrtc_tests.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+
+# Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+# Set up some paths and re-direct the arguments to webrtc_tests.py
+
+# This script is a copy of the chrome_tests.sh wrapper script with the following
+# changes:
+# - The locate_valgrind.sh of Chromium's Valgrind scripts dir is used to locate
+#   the Valgrind framework install.
+# - webrtc_tests.py is invoked instead of chrome_tests.py.
+# - Chromium's Valgrind scripts directory is added to the PYTHONPATH to make it 
+#   possible to execute the Python scripts properly.
+
+export THISDIR=`dirname $0`
+ARGV_COPY="$@"
+
+# We need to set CHROME_VALGRIND iff using Memcheck or TSan-Valgrind:
+#   tools/valgrind/chrome_tests.sh --tool memcheck
+# or
+#   tools/valgrind/chrome_tests.sh --tool=memcheck
+# (same for "--tool=tsan")
+tool="memcheck"  # Default to memcheck.
+while (( "$#" ))
+do
+  if [[ "$1" == "--tool" ]]
+  then
+    tool="$2"
+    shift
+  elif [[ "$1" =~ --tool=(.*) ]]
+  then
+    tool="${BASH_REMATCH[1]}"
+  fi
+  shift
+done
+
+NEEDS_VALGRIND=0
+NEEDS_DRMEMORY=0
+
+case "$tool" in
+  "memcheck")
+    NEEDS_VALGRIND=1
+    ;;
+  "tsan" | "tsan_rv")
+    NEEDS_VALGRIND=1
+    ;;
+  "drmemory" | "drmemory_light" | "drmemory_full")
+    NEEDS_DRMEMORY=1
+    ;;
+esac
+
+# For WebRTC, we'll use the locate_valgrind.sh script in Chromium's Valgrind 
+# scripts dir to locate the Valgrind framework install
+CHROME_VALGRIND_SCRIPTS=$THISDIR/../valgrind
+
+if [ "$NEEDS_VALGRIND" == "1" ]
+then
+  CHROME_VALGRIND=`sh $CHROME_VALGRIND_SCRIPTS/locate_valgrind.sh`
+  if [ "$CHROME_VALGRIND" = "" ]
+  then
+    # locate_valgrind.sh failed
+    exit 1
+  fi
+  echo "Using valgrind binaries from ${CHROME_VALGRIND}"
+
+  PATH="${CHROME_VALGRIND}/bin:$PATH"
+  # We need to set these variables to override default lib paths hard-coded into
+  # Valgrind binary.
+  export VALGRIND_LIB="$CHROME_VALGRIND/lib/valgrind"
+  export VALGRIND_LIB_INNER="$CHROME_VALGRIND/lib/valgrind"
+fi
+
+if [ "$NEEDS_DRMEMORY" == "1" ]
+then
+  if [ -z "$DRMEMORY_COMMAND" ]
+  then
+    DRMEMORY_PATH="$THISDIR/../../third_party/drmemory"
+    DRMEMORY_SFX="$DRMEMORY_PATH/drmemory-windows-sfx.exe"
+    if [ ! -f "$DRMEMORY_SFX" ]
+    then
+      echo "Can't find Dr. Memory executables."
+      echo "See http://www.chromium.org/developers/how-tos/using-valgrind/dr-memory"
+      echo "for the instructions on how to get them."
+      exit 1
+    fi
+
+    chmod +x "$DRMEMORY_SFX"  # Cygwin won't run it without +x.
+    "$DRMEMORY_SFX" -o"$DRMEMORY_PATH/unpacked" -y
+    export DRMEMORY_COMMAND="$DRMEMORY_PATH/unpacked/bin/drmemory.exe"
+  fi
+fi
+
+# Add Chrome's Valgrind scripts dir to the PYTHON_PATH since it contains 
+# the scripts that are needed for this script to run
+PYTHONPATH=$THISDIR/../python/google:$CHROME_VALGRIND_SCRIPTS python \
+           "$THISDIR/webrtc_tests.py" $ARGV_COPY