Remove WebContents::Was{Hidden,Shown}() from the content public interface

chrome/browser/prerender/prerender_contents.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/prerender/prerender_contents.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <functional>
@@ skipping 411 matching lines @@
 
         content::Details<RenderViewHost> new_render_view_host(details);
         OnRenderViewHostCreated(new_render_view_host.ptr());
 
         // Make sure the size of the RenderViewHost has been passed to the new
         // RenderView.  Otherwise, the size may not be sent until the
         // RenderViewReady event makes it from the render process to the UI
         // thread of the browser process.  When the RenderView receives its
         // size, is also sets itself to be visible, which would then break the
         // visibility API.
+        // TODO(tapted): That comment doesn't sound right. Probably the
+        // CreateWebContents() method should just be passing |initially_hidden|
+        // as true via WebContents::CreateParams.
         new_render_view_host->GetWidget()->WasResized();
-        prerender_contents_->WasHidden();
+        prerender_contents_->MarkBackgrounded();
       }
       break;
     }
 
     default:
       NOTREACHED() << "Unexpected notification sent.";
       break;
   }
 }
 
@@ skipping 316 matching lines @@
 void PrerenderContents::AddResourceThrottle(
     const base::WeakPtr<PrerenderResourceThrottle>& throttle) {
   resource_throttles_.push_back(throttle);
 }
 
 void PrerenderContents::AddNetworkBytes(int64_t bytes) {
   network_bytes_ += bytes;
 }
 
 }  // namespace prerender