SkBitmap and SkPixelRef no longer need lock/unlock

content/shell/test_runner/test_runner.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 "content/shell/test_runner/test_runner.h"
 
 #include <stddef.h>
 #include <limits>
 #include <utility>
 
@@ skipping 1782 matching lines @@
 
 void TestRunner::DumpPixelsAsync(
     blink::WebView* web_view,
     const base::Callback<void(const SkBitmap&)>& callback) {
   if (layout_test_runtime_flags_.dump_drag_image()) {
     if (drag_image_.IsNull()) {
       // This means the test called dumpDragImage but did not initiate a drag.
       // Return a blank image so that the test fails.
       SkBitmap bitmap;
       bitmap.allocN32Pixels(1, 1);
-      {
-        SkAutoLockPixels lock(bitmap);
-        bitmap.eraseColor(0);
-      }
+      bitmap.eraseColor(0);
       callback.Run(bitmap);
       return;
     }
 
     callback.Run(drag_image_.GetSkBitmap());
     return;
   }
 
   test_runner::DumpPixelsAsync(web_view, layout_test_runtime_flags_,
                                delegate_->GetDeviceScaleFactor(), callback);
@@ skipping 1025 matching lines @@
 
 void TestRunner::NotifyDone() {
   if (layout_test_runtime_flags_.wait_until_done() && !topLoadingFrame() &&
       !will_navigate_ && work_queue_.is_empty())
     delegate_->TestFinished();
   layout_test_runtime_flags_.set_wait_until_done(false);
   OnLayoutTestRuntimeFlagsChanged();
 }
 
 }  // namespace test_runner