Revert of Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/api/peerconnectionfactory.h

Index: webrtc/api/peerconnectionfactory.h
diff --git a/webrtc/api/peerconnectionfactory.h b/webrtc/api/peerconnectionfactory.h
index 39a64027b646c2b4b2e7f31f8d66ec3113f0f7e0..d4bc0da62b97bd9d2d169e5907ceeca2570eef66 100644
--- a/webrtc/api/peerconnectionfactory.h
+++ b/webrtc/api/peerconnectionfactory.h
@@ -80,15 +80,12 @@
 
   bool StartAecDump(rtc::PlatformFile file, int64_t max_size_bytes) override;
   void StopAecDump() override;
-  // TODO(ivoc) Remove after Chrome is updated.
-  bool StartRtcEventLog(rtc::PlatformFile file) override { return false; }
-  // TODO(ivoc) Remove after Chrome is updated.
+  bool StartRtcEventLog(rtc::PlatformFile file) override {
+    return StartRtcEventLog(file, -1);
+  }
   bool StartRtcEventLog(rtc::PlatformFile file,
-                        int64_t max_size_bytes) override {
-    return false;
-  }
-  // TODO(ivoc) Remove after Chrome is updated.
-  void StopRtcEventLog() override {}
+                        int64_t max_size_bytes) override;
+  void StopRtcEventLog() override;
 
   virtual webrtc::MediaControllerInterface* CreateMediaController(
       const cricket::MediaConfig& config) const;