Move a bunch of code in content\renderer to the content namespace.

content/renderer/browser_plugin/browser_plugin_manager.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_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_MANAGER_H_
 #define CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_MANAGER_H_
 
 #include "base/id_map.h"
 #include "base/threading/non_thread_safe.h"
 #include "content/public/renderer/render_process_observer.h"
 #include "ipc/ipc_sender.h"
 
-class RenderViewImpl;
-
 namespace WebKit {
 class WebFrame;
 struct WebPluginParams;
 }
 
 namespace content {
 
 class BrowserPlugin;
+class RenderViewImpl;
 
 // BrowserPluginManager manages the routing of messages to the appropriate
 // BrowserPlugin object based on its instance ID. There is only one
 // BrowserPluginManager per renderer process, and it should only be accessed
 // by the render thread.
 class CONTENT_EXPORT BrowserPluginManager : public IPC::Sender,
                                             public RenderProcessObserver,
                                             public base::NonThreadSafe {
  public:
   // Returns the one BrowserPluginManager for this process.
@@ skipping 16 matching lines @@
   BrowserPlugin* GetBrowserPlugin(int instance_id) const;
 
  protected:
   IDMap<BrowserPlugin> instances_;
   int browser_plugin_counter_;
 };
 
 }  // namespace content
 
 #endif //  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_MANAGER_H_