Remove BrowserPlugin's -internal-attach method

extensions/browser/guest_view/guest_view_base.h

Index: extensions/browser/guest_view/guest_view_base.h
diff --git a/extensions/browser/guest_view/guest_view_base.h b/extensions/browser/guest_view/guest_view_base.h
index 2360ee0bad1fb826197cccc751eaaa2fe8778523..921ba7cce416ea128861fa26b3f8b8fe34bc70a2 100644
--- a/extensions/browser/guest_view/guest_view_base.h
+++ b/extensions/browser/guest_view/guest_view_base.h
@@ -192,11 +192,9 @@ class GuestViewBase : public content::BrowserPluginGuestDelegate,
     return web_contents();
   }
 
-  // Returns the extra parameters associated with this GuestView passed
-  // in from JavaScript.
-  base::DictionaryValue* extra_params() const {
-    return extra_params_.get();
-  }
+  // Returns the parameters associated with the element hosting this GuestView
+  // passed in from JavaScript.
+  base::DictionaryValue* attach_params() const { return attach_params_.get(); }
 
   // Returns whether this guest has an associated embedder.
   bool attached() const { return !!embedder_web_contents_; }
@@ -222,6 +220,8 @@ class GuestViewBase : public content::BrowserPluginGuestDelegate,
     return opener_.get();
   }
 
+  // Sets some additional chrome/ initialization parameters.
+  void SetAttachParams(const base::DictionaryValue& params);
   void SetOpener(GuestViewBase* opener);
 
   // RenderProcessHostObserver implementation
@@ -241,8 +241,7 @@ class GuestViewBase : public content::BrowserPluginGuestDelegate,
   virtual void RegisterDestructionCallback(
       const DestructionCallback& callback) OVERRIDE FINAL;
   virtual void WillAttach(
-      content::WebContents* embedder_web_contents,
-      const base::DictionaryValue& extra_params) OVERRIDE FINAL;
+      content::WebContents* embedder_web_contents) OVERRIDE FINAL;
 
   // Dispatches an event |event_name| to the embedder with the |event| fields.
   void DispatchEventToEmbedder(Event* event);
@@ -299,11 +298,11 @@ class GuestViewBase : public content::BrowserPluginGuestDelegate,
 
   DestructionCallback destruction_callback_;
 
-  // The extra parameters associated with this GuestView passed
-  // in from JavaScript. This will typically be the view instance ID,
-  // the API to use, and view-specific parameters. These parameters
-  // are passed along to new guests that are created from this guest.
-  scoped_ptr<base::DictionaryValue> extra_params_;
+  // The parameters associated with the element hosting this GuestView that
+  // are passed in from JavaScript. This will typically be the view instance ID,
+  // and element-specific parameters. These parameters are passed along to new
+  // guests that are created from this guest.
+  scoped_ptr<base::DictionaryValue> attach_params_;
 
   scoped_ptr<EmbedderWebContentsObserver> embedder_web_contents_observer_;