Move Render(View|Widget)Host and associated classes to content namespace.

chrome/browser/tab_contents/thumbnail_generator.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/tab_contents/thumbnail_generator.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/bind.h"
@@ skipping 33 matching lines @@
 //
 //    When a renderer is about to be hidden (this usually occurs when the
 //    current tab is closed or another tab is clicked), update the
 //    thumbnail for the tab rendered by the renderer, if needed. The
 //    heuristics to judge whether or not to update the thumbnail is
 //    implemented in ShouldUpdateThumbnail().
 //
 // We'll likely revise the algorithm to improve quality of thumbnails this
 // service generates.
 
+using content::RenderViewHost;
+using content::RenderWidgetHost;
 using content::WebContents;
 
 namespace {
 
 static const int kThumbnailWidth = 212;
 static const int kThumbnailHeight = 132;
 
 static const char kThumbnailHistogramName[] = "Thumbnail.ComputeMS";
 
 // Creates a downsampled thumbnail for the given RenderWidgetHost's backing
@@ skipping 447 matching lines @@
 
 void ThumbnailGenerator::DidStartLoading() {
   load_interrupted_ = false;
 }
 
 void ThumbnailGenerator::StopNavigation() {
   // This function gets called when the page loading is interrupted by the
   // stop button.
   load_interrupted_ = true;
 }