SkBitmap and SkPixelRef no longer need lock/unlock

content/renderer/pepper/pepper_graphics_2d_host.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 "content/renderer/pepper/pepper_graphics_2d_host.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 88 matching lines @@
                       PPB_ImageData_Impl* dest_image,
                       const SkRect& dest_rect) {
   ImageDataAutoMapper auto_mapper(src_image);
 
   DCHECK(src_image->format() != dest_image->format());
   DCHECK(PPB_ImageData_Impl::IsImageDataFormatSupported(src_image->format()));
   DCHECK(PPB_ImageData_Impl::IsImageDataFormatSupported(dest_image->format()));
 
   SkBitmap src_bitmap(src_image->GetMappedBitmap());
   SkBitmap dest_bitmap(dest_image->GetMappedBitmap());
-  SkAutoLockPixels src_lock(src_bitmap);
-  SkAutoLockPixels dest_lock(dest_bitmap);
   if (src_rect.width() == src_image->width() &&
       dest_rect.width() == dest_image->width()) {
     // Fast path if the full frame can be converted at once.
     SkSwapRB(
         dest_bitmap.getAddr32(static_cast<int>(dest_rect.fLeft),
                               static_cast<int>(dest_rect.fTop)),
         src_bitmap.getAddr32(static_cast<int>(src_rect.fLeft),
                              static_cast<int>(src_rect.fTop)),
         src_rect.width() * src_rect.height());
   } else {
@@ skipping 709 matching lines @@
     gfx::Point inverse_scaled_point =
         gfx::ScaleToFlooredPoint(*delta, inverse_scale);
     if (original_delta != inverse_scaled_point)
       return false;
   }
 
   return true;
 }
 
 }  // namespace content