Cleanup: Remove unneeded forward declarations from chrome/browser/ui/webui.

chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h

 // Copyright (c) 2011 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 CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_TAB_CONTENTS_DELEGATE_H_
 #define CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_TAB_CONTENTS_DELEGATE_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "content/browser/tab_contents/tab_contents_delegate.h"
 
-class Browser;
 class Profile;
 
 // This class implements (and mostly ignores) most of TabContentsDelegate for
 // use in an HTML dialog.  Subclasses need only override a few methods instead
 // of the everything from TabContentsDelegate; this way, implementations on
 // all platforms behave consistently.
 
 class HtmlDialogTabContentsDelegate : public TabContentsDelegate {
  public:
   // Profile must be non-NULL.
@@ skipping 30 matching lines @@
   virtual bool IsPopupOrPanel(const TabContents* source) const OVERRIDE;
   virtual bool ShouldAddNavigationToHistory(
       const history::HistoryAddPageArgs& add_page_args,
       content::NavigationType navigation_type) OVERRIDE;
 
  private:
   Profile* profile_;  // Weak pointer.  Always an original profile.
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_TAB_CONTENTS_DELEGATE_H_