SkBitmap and SkPixelRef no longer need lock/unlock

chrome/browser/plugins/plugin_power_saver_browsertest.cc

 // Copyright 2015 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 <string>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/stl_util.h"
@@ skipping 166 matching lines @@
                                  base::string_as_array(&reference_data)),
                              reference_data.size(), gfx::PNGCodec::FORMAT_BGRA,
                              &decoded, &w, &h)) {
     return false;
   }
 
   if (w < kComparisonWidth || h < kComparisonHeight)
     return false;
 
   int32_t* ref_pixels = reinterpret_cast<int32_t*>(decoded.data());
-  SkAutoLockPixels lock_image(bitmap);
   int32_t* pixels = static_cast<int32_t*>(bitmap.getPixels());
 
   bool success = true;
   for (int y = 0; y < kComparisonHeight; ++y) {
     for (int x = 0; x < kComparisonWidth; ++x) {
       int32_t pixel = pixels[y * bitmap.rowBytes() / sizeof(int32_t) + x];
       int pixel_b = pixel & 0xFF;
       int pixel_g = (pixel >> 8) & 0xFF;
       int pixel_r = (pixel >> 16) & 0xFF;
 
@@ skipping 448 matching lines @@
 IN_PROC_BROWSER_TEST_F(PluginPowerSaverPreferHtmlBrowserTest,
                        ThrottlePluginsOnAllowContentSetting) {
   HostContentSettingsMap* content_settings_map =
       HostContentSettingsMapFactory::GetForProfile(browser()->profile());
 
   content_settings_map->SetDefaultContentSetting(CONTENT_SETTINGS_TYPE_PLUGINS,
                                                  CONTENT_SETTING_ALLOW);
   LoadPeripheralPlugin();
   VerifyPluginIsThrottled(GetActiveWebContents(), "plugin");
 }