SkBitmap and SkPixelRef no longer need lock/unlock

ui/gfx/blit_unittest.cc

 // Copyright (c) 2010 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 <stdint.h>
 
 #include "base/memory/shared_memory.h"
 #include "build/build_config.h"
 #include "skia/ext/platform_canvas.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 28 matching lines @@
   SkImageInfo info = SkImageInfo::MakeN32Premul(w, h);
   canvas->writePixels(info, extendedValues, w*4, 0, 0);
 }
 
 // Checks each pixel in the given canvas and see if it is made up of the given
 // values, where each value has been duplicated into each channel of the given
 // bitmap (see SetToCanvas above).
 template <int w, int h>
 void VerifyCanvasValues(SkCanvas* canvas, uint8_t values[h][w]) {
   SkBitmap bitmap = skia::ReadPixels(canvas);
-  SkAutoLockPixels lock(bitmap);
   ASSERT_EQ(w, bitmap.width());
   ASSERT_EQ(h, bitmap.height());
 
   for (int y = 0; y < h; y++) {
     for (int x = 0; x < w; x++) {
       uint8_t value = values[y][x];
       uint32_t expected = (value << 24) | (value << 16) | (value << 8) | value;
       ASSERT_EQ(expected, *bitmap.getAddr32(x, y));
     }
   }
@@ skipping 106 matching lines @@
       {0x30, 0x31, 0x32, 0x33, 0x34},
       {0x40, 0x41, 0x42, 0x43, 0x44}};
   SetToCanvas<5, 5>(canvas.get(), initial_values);
 
   // Sanity check on input.
   VerifyCanvasValues<5, 5>(canvas.get(), initial_values);
 }
 
 #endif