SkBitmap and SkPixelRef no longer need lock/unlock

chrome/browser/web_applications/web_app_win.cc

 // 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.
 
 #include "chrome/browser/web_applications/web_app_win.h"
 
 #include <shlobj.h>
 #include <stddef.h>
 
 #include <memory>
@@ skipping 35 matching lines @@
 // The checksum is derived from all of the icons in the family.
 void GetImageCheckSum(const gfx::ImageFamily& image, base::MD5Digest* digest) {
   DCHECK(digest);
   base::MD5Context md5_context;
   base::MD5Init(&md5_context);
 
   for (gfx::ImageFamily::const_iterator it = image.begin(); it != image.end();
        ++it) {
     SkBitmap bitmap = it->AsBitmap();
 
-    SkAutoLockPixels image_lock(bitmap);
     base::StringPiece image_data(
         reinterpret_cast<const char*>(bitmap.getPixels()), bitmap.getSize());
     base::MD5Update(&md5_context, image_data);
   }
 
   base::MD5Final(digest, &md5_context);
 }
 
 // Saves |image| as an |icon_file| with the checksum.
 bool SaveIconWithCheckSum(const base::FilePath& icon_file,
@@ skipping 545 matching lines @@
 
 }  // namespace internals
 
 void UpdateShortcutForTabContents(content::WebContents* web_contents) {
   // UpdateShortcutWorker will delete itself when it's done.
   UpdateShortcutWorker* worker = new UpdateShortcutWorker(web_contents);
   worker->Run();
 }
 
 }  // namespace web_app