Tab audio indicator tweaks

chrome/browser/ui/cocoa/tabs/tab_audio_indicator_view_mac.mm

 // Copyright (c) 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.
 
 #import "chrome/browser/ui/cocoa/tabs/tab_audio_indicator_view_mac.h"
 
 #include "chrome/browser/ui/tabs/tab_audio_indicator.h"
 #include "ui/gfx/canvas_skia_paint.h"
+#include "ui/gfx/image/image.h"
 #include "ui/gfx/rect.h"
 
 class TabAudioIndicatorDelegateMac : public TabAudioIndicator::Delegate {
  public:
   explicit TabAudioIndicatorDelegateMac(TabAudioIndicatorViewMac* view)
       : view_(view) {
   }
 
   virtual ~TabAudioIndicatorDelegateMac() {}
 
@@ skipping 18 matching lines @@
     tabAudioIndicator_.reset(new TabAudioIndicator(delegate_.get()));
   }
   return self;
 }
 
 - (void)setIsPlayingAudio:(BOOL)isPlayingAudio {
   tabAudioIndicator_->SetIsPlayingAudio(isPlayingAudio);
 }
 
 - (void)setBackgroundImage:(NSImage*)backgroundImage {
-  backgroundImage_.reset([backgroundImage retain]);
+  gfx::Image image([backgroundImage retain]);
+  tabAudioIndicator_->set_favicon(*image.ToImageSkia());
 }
 
 - (BOOL)isAnimating {
   return tabAudioIndicator_->IsAnimating();
 }
 
 - (void)drawRect:(NSRect)rect {
-  [backgroundImage_ drawInRect:[self bounds]
-                      fromRect:NSZeroRect
-                     operation:NSCompositeSourceOver
-                      fraction:1];
-
   gfx::CanvasSkiaPaint canvas(rect, false);
   canvas.set_composite_alpha(true);
   tabAudioIndicator_->Paint(&canvas, gfx::Rect(NSRectToCGRect([self bounds])));
 }
 
 @end