Remove BrowserPlugin's -internal-attach method

content/public/renderer/render_view.h

Index: content/public/renderer/render_view.h
diff --git a/content/public/renderer/render_view.h b/content/public/renderer/render_view.h
index 8298dd3d9c6e1716079f277812417f2da43c4537..636a8bcf972be691ac4919250ac2b88ef8ab6f50 100644
--- a/content/public/renderer/render_view.h
+++ b/content/public/renderer/render_view.h
@@ -121,6 +121,10 @@ class CONTENT_EXPORT RenderView : public IPC::Sender {
   // Returns |renderer_preferences_.accept_languages| value.
   virtual const std::string& GetAcceptLanguages() const = 0;
 
+  // Attaches the browser plugin to guest content created by the embedder.
+  virtual void AttachToBrowserPlugin(int browser_plugin_instance_id,
+                                     int guest_instance_id) = 0;
+
 #if defined(OS_ANDROID)
   virtual void UpdateTopControlsState(TopControlsState constraints,
                                       TopControlsState current,