diff --git a/DEPS b/DEPS
index e93fa59d6..ce715a329 100644
--- a/DEPS
+++ b/DEPS
@@ -1,4 +1,10 @@
+use_relative_paths = True
+
 vars = {
+  # Override root_dir in your .gclient's custom_vars to specify a custom root
+  # folder name.
+  "root_dir": "trunk",
+
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
@@ -13,78 +19,78 @@ vars = {
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than
 # https; the latter can cause problems for users behind proxies.
 deps = {
-  "trunk/chromium_deps":
+  "../chromium_deps":
     File(Var("chromium_trunk") + "/src/DEPS@" + Var("chromium_revision")),
 
-  "trunk/build":
+  "build":
     Var("chromium_trunk") + "/src/build@" + Var("chromium_revision"),
 
-  "trunk/testing":
+  "testing":
     Var("chromium_trunk") + "/src/testing@" + Var("chromium_revision"),
 
-  "trunk/testing/gmock":
-    From("trunk/chromium_deps", "src/testing/gmock"),
+  "testing/gmock":
+    From("chromium_deps", "src/testing/gmock"),
 
-  "trunk/testing/gtest":
-    From("trunk/chromium_deps", "src/testing/gtest"),
+  "testing/gtest":
+    From("chromium_deps", "src/testing/gtest"),
 
-  "trunk/third_party/expat":
+  "third_party/expat":
     Var("chromium_trunk") + "/src/third_party/expat@" + Var("chromium_revision"),
 
-  "trunk/third_party/google-gflags/src":
+  "third_party/google-gflags/src":
     (Var("googlecode_url") % "google-gflags") + "/trunk/src@45",
 
-  "trunk/third_party/libjpeg":
+  "third_party/libjpeg":
     Var("chromium_trunk") + "/src/third_party/libjpeg@" + Var("chromium_revision"),
 
-  "trunk/third_party/libjpeg_turbo":
-    From("trunk/chromium_deps", "src/third_party/libjpeg_turbo"),
+  "third_party/libjpeg_turbo":
+    From("chromium_deps", "src/third_party/libjpeg_turbo"),
 
-  "trunk/third_party/libvpx/source/libvpx":
+  "third_party/libvpx/source/libvpx":
     "http://git.chromium.org/webm/libvpx.git@cab6ac16",
 
-  "trunk/third_party/libyuv":
+  "third_party/libyuv":
     (Var("googlecode_url") % "libyuv") + "/trunk@255",
 
-  "trunk/third_party/protobuf":
+  "third_party/protobuf":
     Var("chromium_trunk") + "/src/third_party/protobuf@" + Var("chromium_revision"),
 
-  "trunk/third_party/yasm":
+  "third_party/yasm":
     Var("chromium_trunk") + "/src/third_party/yasm@" + Var("chromium_revision"),
 
-  "trunk/third_party/yasm/source/patched-yasm":
-    From("trunk/chromium_deps", "src/third_party/yasm/source/patched-yasm"),
+  "third_party/yasm/source/patched-yasm":
+    From("chromium_deps", "src/third_party/yasm/source/patched-yasm"),
 
-  "trunk/tools/clang":
+  "tools/clang":
     Var("chromium_trunk") + "/src/tools/clang@" + Var("chromium_revision"),
 
-  "trunk/tools/gyp":
-    From("trunk/chromium_deps", "src/tools/gyp"),
+  "tools/gyp":
+    From("chromium_deps", "src/tools/gyp"),
 
-  "trunk/tools/python":
+  "tools/python":
     Var("chromium_trunk") + "/src/tools/python@" + Var("chromium_revision"),
 
-  "trunk/tools/valgrind":
+  "tools/valgrind":
     Var("chromium_trunk") + "/src/tools/valgrind@" + Var("chromium_revision"),
 
   # Needed by build/common.gypi.
-  "trunk/tools/win/supalink":
+  "tools/win/supalink":
     Var("chromium_trunk") + "/src/tools/win/supalink@" + Var("chromium_revision"),
 }
 
 deps_os = {
   "win": {
     # Use our own, stripped down, version of Cygwin (required by GYP).
-    "trunk/third_party/cygwin":
+    "third_party/cygwin":
       (Var("googlecode_url") % "webrtc") + "/deps/third_party/cygwin",
 
     # Used by libjpeg-turbo.
-    "trunk/third_party/yasm/binaries":
-      From("trunk/chromium_deps", "src/third_party/yasm/binaries"),
+    "third_party/yasm/binaries":
+      From("chromium_deps", "src/third_party/yasm/binaries"),
   },
   "unix": {
-    "trunk/third_party/gold":
-      From("trunk/chromium_deps", "src/third_party/gold"),
+    "third_party/gold":
+      From("chromium_deps", "src/third_party/gold"),
   },
 }
 
@@ -93,13 +99,15 @@ hooks = [
     # Create a supplement.gypi file under trunk/src.  This file will be picked
     # up by gyp and used to enable the standalone build.
     "pattern": ".",
-    "action": ["python", "trunk/tools/create_supplement_gypi.py", "trunk/src/supplement.gypi"],
+    "action": ["python", Var("root_dir") + "/tools/create_supplement_gypi.py",
+               Var("root_dir") + "/src/supplement.gypi"],
   },
   {
     # Pull clang on mac. If nothing changed, or on non-mac platforms, this takes
     # zero seconds to run. If something changed, it downloads a prebuilt clang.
     "pattern": ".",
-    "action": ["python", "trunk/tools/clang/scripts/update.py", "--mac-only"],
+    "action": ["python", Var("root_dir") + "/tools/clang/scripts/update.py",
+               "--mac-only"],
   },
   {
     # Download test resources, i.e. video and audio files. If the latest
@@ -107,12 +115,13 @@ hooks = [
     # If a newer version or no current download exists, it will download
     # the resources and extract them.
     "pattern": ".",
-    "action": ["python", "trunk/tools/resources/update.py"],
+    "action": ["python", Var("root_dir") + "/tools/resources/update.py"],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
-    "action": ["python", "trunk/build/gyp_chromium", "--depth=trunk", "trunk/webrtc.gyp"],
+    "action": ["python", Var("root_dir") + "/build/gyp_chromium",
+               "--depth=" + Var("root_dir"), Var("root_dir") + "/webrtc.gyp"],
   },
 ]