Move allocate instance id to chrome/.

content/renderer/browser_plugin/browser_plugin_manager_impl.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_IMPL_H_
 #define CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_MANAGER_IMPL_H_
 
 #include <map>
 
 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
 #include "ui/gfx/size.h"
 
 namespace gfx {
 class Point;
 }
 
 namespace content {
 
 class BrowserPluginManagerImpl : public BrowserPluginManager {
  public:
   explicit BrowserPluginManagerImpl(RenderViewImpl* render_view);
 
   // BrowserPluginManager implementation.
   virtual BrowserPlugin* CreateBrowserPlugin(
       RenderViewImpl* render_view,
       blink::WebFrame* frame,
       bool auto_navigate) OVERRIDE;
-  virtual void AllocateInstanceID(
-      const base::WeakPtr<BrowserPlugin>& browser_plugin) OVERRIDE;
 
   // IPC::Sender implementation.
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // RenderViewObserver override. Call on render thread.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void DidCommitCompositorFrame() OVERRIDE;
 
  private:
   virtual ~BrowserPluginManagerImpl();
 
-  void OnAllocateInstanceIDACK(int request_id,
-                               int guest_instance_id);
-
-  int request_id_counter_;
-  typedef std::map<int, const base::WeakPtr<BrowserPlugin> > InstanceIDMap;
-  InstanceIDMap pending_allocate_guest_instance_id_requests_;
-
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginManagerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_MANAGER_IMPL_H_