Remove BrowserPlugin's -internal-attach method

content/public/browser/browser_plugin_guest_delegate.h

Index: content/public/browser/browser_plugin_guest_delegate.h
diff --git a/content/public/browser/browser_plugin_guest_delegate.h b/content/public/browser/browser_plugin_guest_delegate.h
index 2818982bef637d3c0507dc2b96d793e3a14c32a5..22a346b08de7caa2c664bd4aa6f8444ce2a3c28b 100644
--- a/content/public/browser/browser_plugin_guest_delegate.h
+++ b/content/public/browser/browser_plugin_guest_delegate.h
@@ -28,8 +28,7 @@ class CONTENT_EXPORT BrowserPluginGuestDelegate {
 
   // Notification that the embedder will begin attachment. This is called
   // prior to resuming resource loads.
-  virtual void WillAttach(content::WebContents* embedder_web_contents,
-                          const base::DictionaryValue& extra_params) {}
+  virtual void WillAttach(content::WebContents* embedder_web_contents) {}
 
   virtual WebContents* CreateNewGuestWindow(
       const WebContents::CreateParams& create_params);
@@ -37,9 +36,6 @@ class CONTENT_EXPORT BrowserPluginGuestDelegate {
   // Notification that the embedder has completed attachment.
   virtual void DidAttach() {}
 
-  // Requests the instance ID associated with the delegate.
-  virtual int GetGuestInstanceID() const;
-
   // Notification that the BrowserPlugin has resized.
   virtual void ElementSizeChanged(const gfx::Size& old_size,
                                   const gfx::Size& new_size) {}