Change WebRTC log callback registration in browser process.

content/public/test/mock_render_process_host.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_TEST_MOCK_RENDER_PROCESS_HOST_H_
 #define CONTENT_PUBLIC_TEST_MOCK_RENDER_PROCESS_HOST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 #include <utility>
@@ skipping 66 matching lines @@
   bool FastShutdownForPageCount(size_t count) override;
   base::TimeDelta GetChildProcessIdleTime() const override;
   void FilterURL(bool empty_allowed, GURL* url) override;
 #if defined(ENABLE_WEBRTC)
   void EnableAudioDebugRecordings(const base::FilePath& file) override;
   void DisableAudioDebugRecordings() override;
   void EnableEventLogRecordings(const base::FilePath& file) override;
   void DisableEventLogRecordings() override;
   void SetWebRtcLogMessageCallback(
       base::Callback<void(const std::string&)> callback) override;
+  void ClearWebRtcLogMessageCallback() override;
   WebRtcStopRtpDumpCallback StartRtpDump(
       bool incoming,
       bool outgoing,
       const WebRtcRtpPacketCallback& packet_callback) override;
 #endif
   void ResumeDeferredNavigation(const GlobalRequestID& request_id) override;
   void NotifyTimezoneChange(const std::string& zone_id) override;
   ServiceRegistry* GetServiceRegistry() override;
   const base::TimeTicks& GetInitTimeForNavigationMetrics() const override;
   bool SubscribeUniformEnabled() const override;
@@ skipping 86 matching lines @@
   // for deleting all MockRenderProcessHosts that have not deleted by a test in
   // the destructor and prevent them from being leaked.
   mutable ScopedVector<MockRenderProcessHost> processes_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRenderProcessHostFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_MOCK_RENDER_PROCESS_HOST_H_