[Toolbar Views] Move toolbar files to a new subdirectory.

chrome/browser/ui/views/toolbar/home_button.h

 // Copyright 2013 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_VIEWS_HOME_BUTTON_H_
-#define CHROME_BROWSER_UI_VIEWS_HOME_BUTTON_H_
+#ifndef CHROME_BROWSER_UI_VIEWS_TOOLBAR_HOME_BUTTON_H_
+#define CHROME_BROWSER_UI_VIEWS_TOOLBAR_HOME_BUTTON_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/views/controls/button/image_button.h"
 
 class Browser;
 
 class HomeImageButton : public views::ImageButton {
  public:
   HomeImageButton(views::ButtonListener* listener, Browser* browser);
   virtual ~HomeImageButton();
 
   // views::ImageButton:
   virtual bool GetDropFormats(
       int* formats,
       std::set<OSExchangeData::CustomFormat>* custom_formats) OVERRIDE;
   virtual bool CanDrop(const OSExchangeData& data) OVERRIDE;
   virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE;
   virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE;
 
  private:
   Browser* browser_;
 
   DISALLOW_COPY_AND_ASSIGN(HomeImageButton);
 };
 
-#endif  // CHROME_BROWSER_UI_VIEWS_HOME_BUTTON_H_
+#endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_HOME_BUTTON_H_