Change chrome:// favicons in tabstrip based on theming.

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_
 
 #include <list>
 #include <memory>
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/ui/views/tabs/tab_renderer_data.h"
 #include "ui/base/layout.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/geometry/point.h"
+#include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/paint_throbber.h"
 #include "ui/views/context_menu_controller.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/glow_hover_controller.h"
 #include "ui/views/masked_targeter_delegate.h"
 #include "ui/views/view.h"
 
 class AlertIndicatorButton;
 class TabController;
 
@@ skipping 255 matching lines @@
 
   // 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,
   // mini tab title change and pulsing.
   double GetThrobValue();
 
   // Set the temporary offset for the favicon. This is used during the crash
   // animation.
   void SetFaviconHidingOffset(int offset);
 
-  void set_should_display_crashed_favicon() {
-    should_display_crashed_favicon_ = true;
-  }
+  void SetShouldDisplayCrashedFavicon(bool value);
 
   // Recalculates the correct |button_color_| and resets the title, alert
   // indicator, and close button colors if necessary.  This should be called any
   // time the theme or active state may have changed.
   void OnButtonColorMaybeChanged();
 
   // Schedules repaint task for icon.
   void ScheduleIconPaint();
 
   // Computes a path corresponding to the tab's content region inside the outer
@@ skipping 82 matching lines @@
   // detect when it changes and layout appropriately.
   bool showing_alert_indicator_;
 
   // Whether we are showing the close button. It is cached so that we can
   // detect when it changes and layout appropriately.
   bool showing_close_button_;
 
   // The current color of the alert indicator and close button icons.
   SkColor button_color_;
 
+  // The favicon for the tab. This might be the sad tab icon or a copy of
+  // data().favicon and may be modified for theming. It is created on demand
+  // and thus may be null.
+  gfx::ImageSkia favicon_;
+
   // As the majority of the tabs are inactive, and painting tabs is slowish,
   // we cache a handful of the inactive tab backgrounds here.
   static ImageCache* image_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(Tab);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_