Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/ui/gtk/extensions/extension_popup_gtk.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/ui/gtk/extensions/extension_popup_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include <algorithm>
 
@@ skipping 122 matching lines @@
   current_extension_popup_ = NULL;
   delete this;
 }
 
 void ExtensionPopupGtk::OnExtensionPreferredSizeChanged(
     ExtensionViewGtk* view,
     const gfx::Size& new_size) {
   int width = std::max(kMinWidth, std::min(kMaxWidth, new_size.width()));
   int height = std::max(kMinHeight, std::min(kMaxHeight, new_size.height()));
 
-  view->render_view_host()->view()->SetSize(gfx::Size(width, height));
+  view->render_view_host()->GetView()->SetSize(gfx::Size(width, height));
   gtk_widget_set_size_request(view->native_view(), width, height);
 }
 
 bool ExtensionPopupGtk::DestroyPopup() {
   if (!bubble_) {
     NOTREACHED();
     return false;
   }
 
   bubble_->Close();
@@ skipping 36 matching lines @@
 
 void ExtensionPopupGtk::DestroyPopupWithoutResult() {
   DestroyPopup();
 }
 
 gfx::Rect ExtensionPopupGtk::GetViewBounds() {
   GtkAllocation allocation;
   gtk_widget_get_allocation(host_->view()->native_view(), &allocation);
   return gfx::Rect(allocation);
 }