Extract minimal RenderViewHost interface for embedders, leaving

content/browser/tab_contents/tab_contents_view_gtk.cc

Index: content/browser/tab_contents/tab_contents_view_gtk.cc
diff --git a/content/browser/tab_contents/tab_contents_view_gtk.cc b/content/browser/tab_contents/tab_contents_view_gtk.cc
index 9177d041ea9f67f055f6448bb1892f8be68e5473..bce63e1f433f45e96d782919100114da62c0de2f 100644
--- a/content/browser/tab_contents/tab_contents_view_gtk.cc
+++ b/content/browser/tab_contents/tab_contents_view_gtk.cc
@@ -107,14 +107,14 @@ void TabContentsViewGtk::CreateView(const gfx::Size& initial_size) {
 
 RenderWidgetHostView* TabContentsViewGtk::CreateViewForWidget(
     RenderWidgetHost* render_widget_host) {
-  if (render_widget_host->view()) {
+  if (render_widget_host->GetView()) {
     // During testing, the view will already be set up in most cases to the
     // test view, so we don't want to clobber it with a real one. To verify that
     // this actually is happening (and somebody isn't accidentally creating the
     // view twice), we check for the RVH Factory, which will be set when we're
     // making special ones (which go along with the special views).
     DCHECK(RenderViewHostFactory::has_factory());
-    return render_widget_host->view();
+    return render_widget_host->GetView();
   }
 
   RenderWidgetHostView* view =