Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/ui/views/tab_contents/tab_contents_view_views.cc

Index: chrome/browser/ui/views/tab_contents/tab_contents_view_views.cc
diff --git a/chrome/browser/ui/views/tab_contents/tab_contents_view_views.cc b/chrome/browser/ui/views/tab_contents/tab_contents_view_views.cc
index 2413f51f757cb1d865f19ab2f1a455a1d7c5a54b..6a0db26b367b4d345531ab2a00cb18ab05b3211d 100644
--- a/chrome/browser/ui/views/tab_contents/tab_contents_view_views.cc
+++ b/chrome/browser/ui/views/tab_contents/tab_contents_view_views.cc
@@ -79,14 +79,14 @@ void TabContentsViewViews::CreateView(const gfx::Size& initial_size) {
 
 RenderWidgetHostView* TabContentsViewViews::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();
   }
 
   return native_tab_contents_view_->CreateRenderWidgetHostView(
@@ -296,7 +296,7 @@ void TabContentsViewViews::TakeFocus(bool reverse) {
 
 void TabContentsViewViews::CloseTab() {
   RenderViewHost* rvh = web_contents_->GetRenderViewHost();
-  rvh->delegate()->Close(rvh);
+  rvh->GetDelegate()->Close(rvh);
 }
 
 void TabContentsViewViews::CreateNewWindow(