Hook up WebRTC logging extension API to the underlying functionality.

content/public/browser/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_BROWSER_RENDER_PROCESS_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
 #include "base/process/kill.h"
 #include "base/process/process_handle.h"
+#include "base/supports_user_data.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_sender.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/surface/transport_dib.h"
 
 class GURL;
 struct ViewMsg_SwapOut_Params;
 
 namespace content {
 class BrowserContext;
 class RenderWidgetHost;
 class StoragePartition;
 }
 
 namespace base {
 class TimeDelta;
 }
 
 namespace content {
 
 typedef base::Thread* (*RendererMainThreadFactoryFunction)(
     const std::string& id);
 
 // Interface that represents the browser side of the browser <-> renderer
 // communication channel. There will generally be one RenderProcessHost per
 // renderer process.
 class CONTENT_EXPORT RenderProcessHost : public IPC::Sender,
-                                         public IPC::Listener {
+                                         public IPC::Listener,
+                                         public base::SupportsUserData {
  public:
   typedef IDMap<RenderProcessHost>::iterator iterator;
 
   // Details for RENDERER_PROCESS_CLOSED notifications.
   struct RendererClosedDetails {
     RendererClosedDetails(base::ProcessHandle handle,
                           base::TerminationStatus status,
                           int exit_code) {
       this->handle = handle;
       this->status = status;
@@ skipping 201 matching lines @@
   // module.
   static size_t GetMaxRendererProcessCount();
 
   static void RegisterRendererMainThreadFactory(
       RendererMainThreadFactoryFunction create);
 };
 
 }  // namespace content.
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_