SkBitmap and SkPixelRef no longer need lock/unlock

components/wallpaper/wallpaper_manager_base.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 "components/wallpaper/wallpaper_manager_base.h"
 
 #include <numeric>
 #include <vector>
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 413 matching lines @@
   } else {
     resized_width = width;
     resized_height = height;
   }
 
   gfx::ImageSkia resized_image = gfx::ImageSkiaOperations::CreateResizedImage(
       image, skia::ImageOperations::RESIZE_LANCZOS3,
       gfx::Size(resized_width, resized_height));
 
   SkBitmap bitmap = *(resized_image.bitmap());
-  SkAutoLockPixels lock_input(bitmap);
   gfx::JPEGCodec::Encode(
       reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)),
       gfx::JPEGCodec::FORMAT_SkBitmap, bitmap.width(), bitmap.height(),
       bitmap.width() * bitmap.bytesPerPixel(), kDefaultEncodingQuality,
       &(*output)->data());
 
   if (output_skia) {
     resized_image.MakeThreadSafe();
     *output_skia = resized_image;
   }
@@ skipping 610 matching lines @@
 void WallpaperManagerBase::CreateSolidDefaultWallpaper() {
   loaded_wallpapers_for_test_++;
   SkBitmap bitmap;
   bitmap.allocN32Pixels(1, 1);
   bitmap.eraseColor(kDefaultWallpaperColor);
   const gfx::ImageSkia image = gfx::ImageSkia::CreateFrom1xBitmap(bitmap);
   default_wallpaper_image_.reset(new user_manager::UserImage(image));
 }
 
 }  // namespace wallpaper