Browser Plugin: Allocate Instance IDs in BrowserPluginEmbedder instead of BrowserPluginManager

content/renderer/browser_plugin/browser_plugin_manager_impl.h

Index: content/renderer/browser_plugin/browser_plugin_manager_impl.h
diff --git a/content/renderer/browser_plugin/browser_plugin_manager_impl.h b/content/renderer/browser_plugin/browser_plugin_manager_impl.h
index eb69591ca29ef2c1546e9027f855f49f0c5e4a57..ad01a1609393d753e04b4f6a46c3e9256259fe1f 100644
--- a/content/renderer/browser_plugin/browser_plugin_manager_impl.h
+++ b/content/renderer/browser_plugin/browser_plugin_manager_impl.h
@@ -26,6 +26,7 @@ class BrowserPluginManagerImpl : public BrowserPluginManager {
       RenderViewImpl* render_view,
       WebKit::WebFrame* frame,
       const WebKit::WebPluginParams& params) OVERRIDE;
+  virtual void AllocateInstanceID(BrowserPlugin* browser_plugin) OVERRIDE;
 
   // IPC::Sender implementation.
   virtual bool Send(IPC::Message* msg) OVERRIDE;
@@ -35,6 +36,7 @@ class BrowserPluginManagerImpl : public BrowserPluginManager {
  private:
   virtual ~BrowserPluginManagerImpl();
 
+  void OnAllocateInstanceIDResponse(const IPC::Message& message);
   void OnPluginAtPositionRequest(const IPC::Message& message,
                                  int request_id,
                                  const gfx::Point& position);
@@ -42,6 +44,9 @@ class BrowserPluginManagerImpl : public BrowserPluginManager {
   // Returns whether a message should be forwarded to BrowserPlugins.
   static bool ShouldForwardToBrowserPlugin(const IPC::Message& message);
 
+  int request_counter_;
+  IDMap<BrowserPlugin> requests_;
+
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginManagerImpl);
 };