Split webrtc/video into webrtc/{audio,call,video}.

webrtc/webrtc.gyp

Index: webrtc/webrtc.gyp
diff --git a/webrtc/webrtc.gyp b/webrtc/webrtc.gyp
index 283aa462087dce91eb78730d6082aec04ab090d6..13d88b3a14e4a9f1c2a2e37e136905c88319b491 100644
--- a/webrtc/webrtc.gyp
+++ b/webrtc/webrtc.gyp
@@ -22,10 +22,10 @@
           # This target should only be built if enable_protobuf is defined
           'target_name': 'rtc_event_log_proto',
           'type': 'static_library',
-          'sources': ['video/rtc_event_log.proto',],
+          'sources': ['call/rtc_event_log.proto',],
           'variables': {
-            'proto_in_dir': 'video',
-            'proto_out_dir': 'webrtc/video',
+            'proto_in_dir': 'call',
+            'proto_out_dir': 'webrtc/call',
           },
         'includes': ['build/protoc.gypi'],
         },
@@ -36,7 +36,7 @@
         {
           'target_name': 'rtc_event_log2rtp_dump',
           'type': 'executable',
-          'sources': ['video/rtc_event_log2rtp_dump.cc',],
+          'sources': ['call/rtc_event_log2rtp_dump.cc',],
           'dependencies': [
             '<(DEPTH)/third_party/gflags/gflags.gyp:gflags',
             'rtc_event_log',
@@ -49,6 +49,8 @@
   ],
   'includes': [
     'build/common.gypi',
+    'audio/webrtc_audio.gypi',
+    'call/webrtc_call.gypi',
     'video/webrtc_video.gypi',
   ],
   'variables': {
@@ -105,10 +107,14 @@
         'video_renderer.h',
         'video_send_stream.h',
 
+        '<@(webrtc_audio_sources)',
+        '<@(webrtc_call_sources)',
         '<@(webrtc_video_sources)',
       ],
       'dependencies': [
         'common.gyp:*',
+        '<@(webrtc_audio_dependencies)',
+        '<@(webrtc_call_dependencies)',
         '<@(webrtc_video_dependencies)',
         'rtc_event_log',
       ],
@@ -127,8 +133,8 @@
       'target_name': 'rtc_event_log',
       'type': 'static_library',
       'sources': [
-        'video/rtc_event_log.cc',
-        'video/rtc_event_log.h',
+        'call/rtc_event_log.cc',
+        'call/rtc_event_log.h',
       ],
       'conditions': [
         # If enable_protobuf is defined, we want to compile the protobuf