To be able to get webrtc into chrome, we need to reduce the size of the binary and the usage of memory.

This patch disbale some codecs which are not considered necessary. 
Review URL: http://webrtc-codereview.appspot.com/299001

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1062 4adac7df-926f-26a2-2b94-8c16560cd09d

src/engine_configurations.h

@@ -21,13 +21,16 @@
 //  [Voice] Codec settings
 // ----------------------------------------------------------------------------
 
-#define WEBRTC_CODEC_ILBC
 #define WEBRTC_CODEC_ISAC       // floating-point iSAC implementation (default)
 // #define WEBRTC_CODEC_ISACFX  // fix-point iSAC implementation
+#define WEBRTC_CODEC_AVT
+
+#ifndef WEBRTC_CHROMIUM_BUILD
+#define WEBRTC_CODEC_ILBC
 #define WEBRTC_CODEC_G722
 #define WEBRTC_CODEC_PCM16
 #define WEBRTC_CODEC_RED
-#define WEBRTC_CODEC_AVT
+#endif
 
 // ----------------------------------------------------------------------------
 //  [Video] Codec settings

src/modules/audio_coding/main/source/acm_codec_database.cc

@@ -109,7 +109,13 @@ const int kDynamicPayloadtypes[ACMCodecDB::kMaxNumCodecs] = {
 // Each entry needs the following parameters in the given order:
 // payload type, name, sampling frequency, packet size in samples,
 // default channel support, and default rate.
+#if (defined(WEBRTC_CODEC_PCM16) || \
+     defined(WEBRTC_CODEC_AMR) || defined(WEBRTC_CODEC_AMRWB) || \
+     defined(WEBRTC_CODEC_G729_1) || defined(WEBRTC_CODEC_SPEEX) || \
+     defined(WEBRTC_CODEC_G722_1) || defined(WEBRTC_CODEC_G722_1C))
 static int count_database = 0;
+#endif
+
 const CodecInst ACMCodecDB::database_[] = {
 #if (defined(WEBRTC_CODEC_ISAC) || defined(WEBRTC_CODEC_ISACFX))
   {103, "ISAC", 16000, kIsacPacSize480, 1, kIsacWbDefaultRate},

webrtc.gyp

@@ -39,6 +39,12 @@
     },
   ],
   'conditions': [
+    ['build_with_chromium==1', {
+      # Exclude components in engine_configuration.h.
+      'defines': [
+        'WEBRTC_CHROMIUM_BUILD',
+      ],
+    }, ],  # build_with_chromium=1
     ['OS=="win"', {
       'targets': [
         {