Tweak PaintInvalidationReasons

third_party/WebKit/Source/core/layout/ImageQualityController.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 130 matching lines @@
     timer_->Stop();
   }
 }
 
 void ImageQualityController::HighQualityRepaintTimerFired(TimerBase*) {
   for (auto& i : object_layer_size_map_) {
     // Only invalidate the object if it is animating.
     if (!i.value.is_resizing)
       continue;
 
-    // TODO(wangxianzhu): Use LayoutObject::getMutableForPainting().
-    const_cast<LayoutObject*>(i.key)->SetShouldDoFullPaintInvalidation();
+    i.key->GetMutableForPainting().SetShouldDoFullPaintInvalidation(
+        PaintInvalidationReason::kImage);
     i.value.is_resizing = false;
   }
   frame_time_when_timer_started_ = 0.0;
 }
 
 void ImageQualityController::RestartTimer(double last_frame_time_monotonic) {
   if (!timer_->IsActive() || last_frame_time_monotonic == 0.0 ||
       frame_time_when_timer_started_ == 0.0 ||
       (last_frame_time_monotonic - frame_time_when_timer_started_ >
        kCTimerRestartThreshold)) {
@@ skipping 75 matching lines @@
   }
   // This object has been resized to two different sizes while the timer
   // is active, so draw at low quality, set the flag for animated resizes and
   // the object to the list for high quality redraw.
   Set(object, inner_map, layer, layout_size, true);
   RestartTimer(last_frame_time_monotonic);
   return true;
 }
 
 }  // namespace blink