Roll WebRTC 8786:8790

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index c6cf63b393564e853ade1854dadf9b7a555a29dd..4fd7a3cb938ae90565a60df621b32a3b800863a6 100644
--- a/DEPS
+++ b/DEPS
@@ -209,7 +209,7 @@ deps = {
    Var('chromium_git') + '/chromium/third_party/ffmpeg.git' + '@' + 'b3dc5aa44575049edf6b24e34578487dfaade6a4',
 
   'src/third_party/libjingle/source/talk':
-    Var('chromium_git') + '/external/webrtc/trunk/talk.git' + '@' + '628865b407a88d847027364e450027c65c9a215f', # commit position 8784
+    Var('chromium_git') + '/external/webrtc/trunk/talk.git' + '@' + '628865b407a88d847027364e450027c65c9a215f',
 
   'src/third_party/usrsctp/usrsctplib':
     Var('chromium_git') + '/external/usrsctplib.git' + '@' + '13718c7b9fd376fde092cbd3c5347d15059ac652', # from svn revision 9167
@@ -233,7 +233,7 @@ deps = {
    Var('chromium_git') + '/native_client/src/third_party/scons-2.0.1.git' + '@' + '1c1550e17fc26355d08627fbdec13d8291227067',
 
   'src/third_party/webrtc':
-    Var('chromium_git') + '/external/webrtc/trunk/webrtc.git' + '@' + '3b9d0a5d0a4b094564177966a1569e1ac4b1af51', # commit position 8786
+    Var('chromium_git') + '/external/webrtc/trunk/webrtc.git' + '@' + '78aaaa62d5d796ece87740ea41863a5d09611341',
 
   'src/third_party/openmax_dl':
     Var('chromium_git') + '/external/webrtc/deps/third_party/openmax.git' + '@' +  Var('openmax_dl_revision'),