SkBitmap and SkPixelRef no longer need lock/unlock

chrome/browser/media/webrtc/tab_desktop_media_list_unittest.cc

Index: chrome/browser/media/webrtc/tab_desktop_media_list_unittest.cc
diff --git a/chrome/browser/media/webrtc/tab_desktop_media_list_unittest.cc b/chrome/browser/media/webrtc/tab_desktop_media_list_unittest.cc
index 3ad2de008be52993907caee1515a129a62d5406f..183441a82879ddad15217ca6bafd1e2daef6e7ee 100644
--- a/chrome/browser/media/webrtc/tab_desktop_media_list_unittest.cc
+++ b/chrome/browser/media/webrtc/tab_desktop_media_list_unittest.cc
@@ -62,7 +62,6 @@ gfx::Image CreateGrayscaleImage(gfx::Size size, uint8_t greyscale_value) {
   SkBitmap result;
   result.allocN32Pixels(size.width(), size.height(), true);
 
-  result.lockPixels();
   uint8_t* pixels_data = reinterpret_cast<uint8_t*>(result.getPixels());
 
   // Set greyscale value for all pixels.
@@ -79,8 +78,6 @@ gfx::Image CreateGrayscaleImage(gfx::Size size, uint8_t greyscale_value) {
     }
   }
 
-  result.unlockPixels();
-
   return gfx::Image::CreateFrom1xBitmap(result);
 }