Remove BrowserPlugin's -internal-attach method

extensions/renderer/script_context.h

Index: extensions/renderer/script_context.h
diff --git a/extensions/renderer/script_context.h b/extensions/renderer/script_context.h
index db7130a225366a65896c8313b608fc32e99c2e64..4b663670bbd8794055e5eadf47d9b99514bc6040 100644
--- a/extensions/renderer/script_context.h
+++ b/extensions/renderer/script_context.h
@@ -22,6 +22,7 @@ class WebFrame;
 }
 
 namespace content {
+class RenderFrame;
 class RenderView;
 }
 
@@ -73,6 +74,10 @@ class ScriptContext : public RequestSender::Source, public gin::Runner {
   // context is in the process of being destroyed.
   content::RenderView* GetRenderView() const;
 
+  // Returns the RenderFrame associated with this context. Can return NULL if
+  // the context is in the process of being destroyed.
+  content::RenderFrame* GetRenderFrame() const;
+
   // Runs |function| with appropriate scopes. Doesn't catch exceptions, callers
   // must do that if they want.
   //