Renames html_viewer frame classes

components/html_viewer/web_layer_impl.h

 // Copyright 2015 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 COMPONENTS_HTML_VIEWER_WEB_LAYER_IMPL_H_
 #define COMPONENTS_HTML_VIEWER_WEB_LAYER_IMPL_H_
 
 #include <utility>
 
 #include "cc/blink/web_layer_impl.h"
 
 namespace html_viewer {
 
-class Frame;
+class HTMLFrame;
 
 class WebLayerImpl : public cc_blink::WebLayerImpl {
  public:
-  explicit WebLayerImpl(Frame* frame);
+  explicit WebLayerImpl(HTMLFrame* frame);
   ~WebLayerImpl() override;
 
   // WebLayer implementation.
   void setBounds(const blink::WebSize& bounds) override;
   void setPosition(const blink::WebFloatPoint& position) override;
 
  private:
-  Frame* frame_;
+  HTMLFrame* frame_;
 
   DISALLOW_COPY_AND_ASSIGN(WebLayerImpl);
 };
 
 }  // namespace html_viewer
 
 #endif  // COMPONENTS_HTML_VIEWER_WEB_LAYER_IMPL_H_