Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/test/mock_voe_channel_proxy.h

Index: webrtc/test/mock_voe_channel_proxy.h
diff --git a/webrtc/test/mock_voe_channel_proxy.h b/webrtc/test/mock_voe_channel_proxy.h
index dc2a961b3cb89da4b760d2223ee046cbf274bd7c..fef8b7d8996e5851d43119cafb72ee631a489186 100644
--- a/webrtc/test/mock_voe_channel_proxy.h
+++ b/webrtc/test/mock_voe_channel_proxy.h
@@ -57,6 +57,7 @@ class MockVoEChannelProxy : public voe::ChannelProxy {
   MOCK_CONST_METHOD0(GetAudioDecoderFactory,
                      const rtc::scoped_refptr<AudioDecoderFactory>&());
   MOCK_METHOD1(SetChannelOutputVolumeScaling, void(float scaling));
+  MOCK_METHOD1(SetRtcEventLog, void(RtcEventLog* event_log));
 };
 }  // namespace test
 }  // namespace webrtc