components: Cleanup class/struct fwd declarations

components/omnibox/browser/omnibox_edit_controller.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_OMNIBOX_BROWSER_OMNIBOX_EDIT_CONTROLLER_H_
 #define COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_EDIT_CONTROLLER_H_
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "components/omnibox/browser/autocomplete_match_type.h"
 #include "ui/base/page_transition_types.h"
 #include "ui/base/window_open_disposition.h"
 #include "url/gurl.h"
 
 class ToolbarModel;
 
-namespace gfx {
-class Image;
-}
-
 class OmniboxEditController {
  public:
   virtual void OnAutocompleteAccept(const GURL& destination_url,
                                     WindowOpenDisposition disposition,
                                     ui::PageTransition transition,
                                     AutocompleteMatchType::Type match_type);
 
   virtual void OnInputInProgress(bool in_progress) = 0;
 
   // Called when anything has changed that might affect the layout or contents
@@ skipping 15 matching lines @@
  private:
   // The details necessary to open the user's desired omnibox match.
   GURL destination_url_;
   WindowOpenDisposition disposition_;
   ui::PageTransition transition_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxEditController);
 };
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_EDIT_CONTROLLER_H_