First fix to minimize copying of image data.

chrome/browser/cocoa/bookmark_bar_toolbar_view_unittest.mm

 // Copyright (c) 2009 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 <Cocoa/Cocoa.h>
 
 #include "app/theme_provider.h"
 #include "base/scoped_nsobject.h"
 #include "chrome/browser/browser_theme_provider.h"
 #import "chrome/browser/cocoa/bookmark_bar_controller.h"
@@ skipping 15 matching lines @@
 // theme data.
 class MockThemeProvider : public ThemeProvider {
  public:
   // Cross platform methods
   MOCK_METHOD1(Init, void(Profile*));
   MOCK_CONST_METHOD1(GetBitmapNamed, SkBitmap*(int));
   MOCK_CONST_METHOD1(GetColor, SkColor(int));
   MOCK_CONST_METHOD2(GetDisplayProperty, bool(int, int*));
   MOCK_CONST_METHOD0(ShouldUseNativeFrame, bool());
   MOCK_CONST_METHOD1(HasCustomImage, bool(int));
-  MOCK_CONST_METHOD2(GetRawData, bool(int, std::vector<unsigned char>*));
+  MOCK_CONST_METHOD1(GetRawData,  RefCountedMemory*(int));
 
   // OSX stuff
   MOCK_CONST_METHOD1(GetNSImageNamed, NSImage*(int));
   MOCK_CONST_METHOD1(GetNSColor, NSColor*(int));
   MOCK_CONST_METHOD1(GetNSColorTint, NSColor*(int));
 };
 
 // Allows us to inject our fake controller below.
 @interface BookmarkBarToolbarView (TestingAPI)
 -(void)setController:(id<BookmarkBarToolbarViewController>)controller;
@@ skipping 105 matching lines @@
   fake_bg.allocPixels();
   fake_bg.eraseColor(SK_ColorGREEN);
   EXPECT_CALL(provider, GetBitmapNamed(IDR_THEME_NTP_BACKGROUND))
       .WillRepeatedly(Return(&fake_bg));
 
   [controller_.get() setThemeProvider:&provider];
   [controller_.get() setCurrentTabContentsHeight:200];
 
   [view_ display];
 }