Move navigation and frame tree classes to a new frame_host/ directory.

content/browser/web_contents/web_contents_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/process/process.h"
 #include "base/values.h"
-#include "content/browser/renderer_host/frame_tree.h"
+#include "content/browser/frame_host/frame_tree.h"
+#include "content/browser/frame_host/navigation_controller_delegate.h"
+#include "content/browser/frame_host/navigation_controller_impl.h"
+#include "content/browser/frame_host/render_view_host_manager.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
-#include "content/browser/web_contents/navigation_controller_delegate.h"
-#include "content/browser/web_contents/navigation_controller_impl.h"
-#include "content/browser/web_contents/render_view_host_manager.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/three_d_api_types.h"
 #include "net/base/load_states.h"
 #include "third_party/WebKit/public/web/WebDragOperation.h"
 #include "ui/gfx/rect_f.h"
 #include "ui/gfx/size.h"
@@ skipping 937 matching lines @@
   // Maps the ids of pending image downloads to their callbacks
   typedef std::map<int, ImageDownloadCallback> ImageDownloadMap;
   ImageDownloadMap image_download_map_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_