Move allocate instance id to chrome/.

content/browser/browser_plugin/browser_plugin_guest.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.
 
 // A BrowserPluginGuest is the browser side of a browser <--> embedder
 // renderer channel. A BrowserPlugin (a WebPlugin) is on the embedder
 // renderer side of browser <--> embedder renderer communication.
 //
 // BrowserPluginGuest lives on the UI thread of the browser process. Any
 // messages about the guest render process that the embedder might be interested
@@ skipping 103 matching lines @@
   // this BrowserPluginGuest, and its new unattached windows.
   void Destroy();
 
   // Returns the identifier that uniquely identifies a browser plugin guest
   // within an embedder.
   int instance_id() const { return instance_id_; }
 
   bool OnMessageReceivedFromEmbedder(const IPC::Message& message);
 
   void Initialize(const BrowserPluginHostMsg_Attach_Params& params,
-                  WebContentsImpl* embedder_web_contents);
+                  WebContentsImpl* embedder_web_contents,
+                  const base::DictionaryValue& extra_params);
 
   WebContentsImpl* embedder_web_contents() const {
     return embedder_web_contents_;
   }
 
   // Returns the embedder's RenderWidgetHostView if it is available.
   // Returns NULL otherwise.
   RenderWidgetHostView* GetEmbedderRenderWidgetHostView();
 
   bool focused() const { return focused_; }
@@ skipping 324 matching lines @@
   // Weak pointer used to ask GeolocationPermissionContext about geolocation
   // permission.
   base::WeakPtrFactory<BrowserPluginGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginGuest);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_H_