Remove BrowserPlugin's -internal-attach method

chrome/renderer/extensions/guest_view_internal_custom_bindings.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_RENDERER_EXTENSIONS_GUEST_VIEW_INTERNAL_CUSTOM_BINDINGS_H_
+#define CHROME_RENDERER_EXTENSIONS_GUEST_VIEW_INTERNAL_CUSTOM_BINDINGS_H_
+
+#include "extensions/renderer/object_backed_native_handler.h"
+
+namespace extensions {
+class Dispatcher;
+
+// Implements custom bindings for the guestViewInternal API.
+class GuestViewInternalCustomBindings : public ObjectBackedNativeHandler {
+ public:
+  explicit GuestViewInternalCustomBindings(ScriptContext* context);
+
+ private:
+  // AttachGuest attaches a GuestView to a provided container element. Once
+  // attached, the GuestView will participate in layout of the container page
+  // and become visible on screen.
+  // AttachGuest takes three parameters:
+  // |element_instance_id| uniquely identifies a container within the content
+  // module is able to host GuestViews.
+  // |guest_instance_id| uniquely identifies an unattached GuestView.
+  // |attach_params| is typically used to convey the current state of the
+  // container element at the time of attachment. These parameters are passed
+  // down to the GuestView. The GuestView may use these parameters to update the
+  // state of the guest hosted in another process.
+  void AttachGuest(const v8::FunctionCallbackInfo<v8::Value>& args);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_RENDERER_EXTENSIONS_GUEST_VIEW_INTERNAL_CUSTOM_BINDINGS_H_