SkBitmap and SkPixelRef no longer need lock/unlock

chrome/browser/ui/exclusive_access/flash_fullscreen_interactive_browsertest.cc

 // Copyright 2014 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.
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 264 matching lines @@
 
     return is_expected_color;
   }
 
   static void CheckBitmapForFillColor(SkColor expected_color,
                                       bool* is_expected_color,
                                       const base::Closure& done_cb,
                                       const SkBitmap& bitmap,
                                       content::ReadbackResponse response) {
     if (response == content::READBACK_SUCCESS) {
-      SkAutoLockPixels lock_pixels(bitmap);
       if (bitmap.width() > 0 && bitmap.height() > 0)
         *is_expected_color = (bitmap.getColor(0, 0) == expected_color);
     }
     done_cb.Run();
   }
 
   DISALLOW_COPY_AND_ASSIGN(FlashFullscreenInteractiveBrowserTest);
 };
 
 // Tests that launching and exiting fullscreen-within-tab works.
@@ skipping 137 matching lines @@
   // Make sure that the fullscreen widget got the mouse lock.
   EXPECT_TRUE(fullscreen_view->IsMouseLocked());
   EXPECT_EQ(fullscreen_widget, content::GetMouseLockWidget(web_contents));
 
   PressEscape();
   EXPECT_TRUE(ObserveTabIsInFullscreen(false));
 
   // Mouse should be unlocked.
   EXPECT_EQ(nullptr, content::GetMouseLockWidget(web_contents));
 }