aura: Work around RenderWidgetHostTest.Background segfault.

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

 // Copyright (c) 2011 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/views/tab_contents/native_tab_contents_view_aura.h"
 
 #include "chrome/browser/ui/views/tab_contents/native_tab_contents_view_delegate.h"
 #include "chrome/browser/ui/views/tab_contents/native_tab_contents_view_views.h"
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 #include "content/browser/tab_contents/tab_contents.h"
@@ skipping 45 matching lines @@
 }
 
 void NativeTabContentsViewAura::Unparent() {
   // Nothing to do.
 }
 
 RenderWidgetHostView* NativeTabContentsViewAura::CreateRenderWidgetHostView(
     RenderWidgetHost* render_widget_host) {
   RenderWidgetHostViewAura* view =
       new RenderWidgetHostViewAura(render_widget_host);
-  view->Init();
+  view->InitAsChild();
   GetNativeView()->AddChild(view->GetNativeView());
   view->Show();
   return view;
 }
 
 gfx::NativeWindow NativeTabContentsViewAura::GetTopLevelNativeWindow() const {
   // TODO(beng):
   NOTIMPLEMENTED();
   return NULL;
 }
@@ skipping 64 matching lines @@
 // NativeTabContentsView, public:
 
 // static
 NativeTabContentsView* NativeTabContentsView::CreateNativeTabContentsView(
     internal::NativeTabContentsViewDelegate* delegate) {
   // return new NativeTabContentsViewViews(delegate);
   // TODO(beng): switch over to this.
   return new NativeTabContentsViewAura(delegate);
 }
 #endif