SkBitmap and SkPixelRef no longer need lock/unlock

chrome/browser/media/webrtc/native_desktop_media_list.cc

Index: chrome/browser/media/webrtc/native_desktop_media_list.cc
diff --git a/chrome/browser/media/webrtc/native_desktop_media_list.cc b/chrome/browser/media/webrtc/native_desktop_media_list.cc
index d6039e15a0bcd2d49a4d18ee8c483139f2138959..70c4eb519e1c85829de71a372fef871284a71063 100644
--- a/chrome/browser/media/webrtc/native_desktop_media_list.cc
+++ b/chrome/browser/media/webrtc/native_desktop_media_list.cc
@@ -54,7 +54,6 @@ gfx::ImageSkia ScaleDesktopFrame(std::unique_ptr<webrtc::DesktopFrame> frame,
 
   SkBitmap result;
   result.allocN32Pixels(scaled_rect.width(), scaled_rect.height(), true);
-  result.lockPixels();
 
   uint8_t* pixels_data = reinterpret_cast<uint8_t*>(result.getPixels());
   libyuv::ARGBScale(frame->data(), frame->stride(),
@@ -75,8 +74,6 @@ gfx::ImageSkia ScaleDesktopFrame(std::unique_ptr<webrtc::DesktopFrame> frame,
     }
   }
 
-  result.unlockPixels();
-
   return gfx::ImageSkia::CreateFrom1xBitmap(result);
 }