alternate ntp (cros/partial-win): add tab-related stuff and toolbar/tab background change

chrome/browser/ui/views/tabs/tab.h

 // Copyright (c) 2012 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_TABS_TAB_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_
 #pragma once
 
 #include <string>
 
@@ skipping 61 matching lines @@
   virtual void Layout() OVERRIDE;
   virtual void OnThemeChanged() OVERRIDE;
   virtual std::string GetClassName() const OVERRIDE;
   virtual bool HasHitTestMask() const OVERRIDE;
   virtual void GetHitTestMask(gfx::Path* path) const OVERRIDE;
   virtual bool GetTooltipTextOrigin(const gfx::Point& p,
                                     gfx::Point* origin) const OVERRIDE;
   virtual void OnMouseMoved(const views::MouseEvent& event) OVERRIDE;
 
   // Paint various portions of the Tab
+  gfx::ImageSkia* GetTabBackgroundImage(chrome::search::Mode::Type mode) const;
   void PaintTabBackground(gfx::Canvas* canvas);
   void PaintInactiveTabBackgroundWithTitleChange(gfx::Canvas* canvas);
   void PaintInactiveTabBackground(gfx::Canvas* canvas);
-  void PaintActiveTabBackground(gfx::Canvas* canvas);
+  void PaintActiveTabBackground(gfx::Canvas* canvas,
+                                gfx::ImageSkia* tab_background);
 
   // Returns the number of favicon-size elements that can fit in the tab's
   // current size.
   int IconCapacity() const;
 
   // Returns whether the Tab should display a favicon.
   bool ShouldShowIcon() const;
 
   // Gets the throb value for the tab. When a tab is not selected the
   // active background is drawn at |GetThrobValue()|%. This is used for hover,
@@ skipping 42 matching lines @@
 
   // The current color of the close button.
   SkColor close_button_color_;
 
   static bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(Tab);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_