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 c2211f85547a11d9c1555b1d50e66294968b1117..4482e00fc3d87ee3f11abc7e7cca7336e48074de 100644
--- a/webrtc/test/mock_voe_channel_proxy.h
+++ b/webrtc/test/mock_voe_channel_proxy.h
@@ -44,6 +44,7 @@ class MockVoEChannelProxy : public voe::ChannelProxy {
   MOCK_CONST_METHOD0(GetDelayEstimate, uint32_t());
   MOCK_METHOD1(SetSendTelephoneEventPayloadType, bool(int payload_type));
   MOCK_METHOD2(SendTelephoneEventOutband, bool(int event, int duration_ms));
+  MOCK_METHOD1(SetRtcEventLog, void(RtcEventLog* event_log));
 };
 }  // namespace test
 }  // namespace webrtc