Renames html_viewer frame classes

components/html_viewer/html_frame_tree_manager_delegate.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_FRAME_TREE_MANAGER_DELEGATE_H_
-#define COMPONENTS_HTML_VIEWER_FRAME_TREE_MANAGER_DELEGATE_H_
+#ifndef COMPONENTS_HTML_VIEWER_HTML_FRAME_TREE_MANAGER_DELEGATE_H_
+#define COMPONENTS_HTML_VIEWER_HTML_FRAME_TREE_MANAGER_DELEGATE_H_
 
 namespace html_viewer {
 
-class Frame;
+class HTMLFrame;
 
-class FrameTreeManagerDelegate {
+class HTMLFrameTreeManagerDelegate {
  public:
   // TODO(yzshen): Remove this check once the browser is able to navigate an
   // existing html_viewer instance and about:blank page support is ready.
   virtual bool ShouldNavigateLocallyInMainFrame() = 0;
 
-  virtual void OnFrameDidFinishLoad(Frame* frame) = 0;
+  virtual void OnFrameDidFinishLoad(HTMLFrame* frame) = 0;
 
  protected:
-  virtual ~FrameTreeManagerDelegate() {}
+  virtual ~HTMLFrameTreeManagerDelegate() {}
 };
 
 }  // namespace html_viewer
 
-#endif  // COMPONENTS_HTML_VIEWER_FRAME_TREE_MANAGER_DELEGATE_H_
+#endif  // COMPONENTS_HTML_VIEWER_HTML_FRAME_TREE_MANAGER_DELEGATE_H_