SkBitmap and SkPixelRef no longer need lock/unlock

content/shell/browser/layout_test/blink_test_controller.cc

Index: content/shell/browser/layout_test/blink_test_controller.cc
diff --git a/content/shell/browser/layout_test/blink_test_controller.cc b/content/shell/browser/layout_test/blink_test_controller.cc
index 5ccc498fdeb5540258217dcafbe2d59d3aeee1be..8924eba19b2c53a0363488a54a31822021089fcf 100644
--- a/content/shell/browser/layout_test/blink_test_controller.cc
+++ b/content/shell/browser/layout_test/blink_test_controller.cc
@@ -693,8 +693,6 @@ void BlinkTestController::OnTestFinished() {
 
 void BlinkTestController::OnImageDump(const std::string& actual_pixel_hash,
                                       const SkBitmap& image) {
-  SkAutoLockPixels image_lock(image);
-
   printer_->PrintImageHeader(actual_pixel_hash, expected_pixel_hash_);
 
   // Only encode and dump the png if the hashes don't match. Encoding the