[Android] Attach RenderWidgetHostView to ContentView at construction time.

content/browser/web_contents/web_contents_view_android.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 "content/browser/web_contents/web_contents_view_android.h"
 
 #include "base/logging.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/android/media_player_manager_android.h"
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
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     // making special ones (which go along with the special views).
     DCHECK(RenderViewHostFactory::has_factory());
     return render_widget_host->GetView();
   }
   // Note that while this instructs the render widget host to reference
   // |native_view_|, this has no effect without also instructing the
   // native view (i.e. ContentView) how to obtain a reference to this widget in
   // order to paint it. See ContentView::GetRenderWidgetHostViewAndroid for an
   // example of how this is achieved for InterstitialPages.
   RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(render_widget_host);
-  return new RenderWidgetHostViewAndroid(rwhi, content_view_core_);
+  RenderWidgetHostView* view = new RenderWidgetHostViewAndroid(
+      rwhi, content_view_core_);
+  view->Show();
+  return view;
 }
 
 gfx::NativeView WebContentsViewAndroid::GetNativeView() const {
   return content_view_core_;
 }
 
 gfx::NativeView WebContentsViewAndroid::GetContentNativeView() const {
   return content_view_core_;
 }
 
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 // This is called when we the renderer asks us to take focus back (i.e., it has
 // iterated past the last focusable element on the page).
 void WebContentsViewAndroid::TakeFocus(bool reverse) {
   if (web_contents_->GetDelegate() &&
       web_contents_->GetDelegate()->TakeFocus(web_contents_, reverse))
     return;
   web_contents_->GetRenderWidgetHostView()->Focus();
 }
 
 } // namespace content