Re-raster during scale animations for GPU-rasterized layers without text

cc/resources/picture_pile.cc

 // Copyright 2012 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 "cc/resources/picture_pile.h"
 
 #include <algorithm>
 #include <limits>
 #include <vector>
 
@@ skipping 353 matching lines @@
                                   num_raster_threads,
                                   recording_mode);
         // Note the '&&' with previous is-suitable state.
         // This means that once a picture-pile becomes unsuitable for gpu
         // rasterization due to some content, it will continue to be unsuitable
         // even if that content is replaced by gpu-friendly content.
         // This is an optimization to avoid iterating though all pictures in
         // the pile after each invalidation.
         is_suitable_for_gpu_rasterization_ &=
             picture->IsSuitableForGpuRasterization();
+        has_text_ |= picture->HasText();
         base::TimeDelta duration =
             stats_instrumentation->EndRecording(start_time);
         best_duration = std::min(duration, best_duration);
       }
       int recorded_pixel_count =
           picture->LayerRect().width() * picture->LayerRect().height();
       stats_instrumentation->AddRecord(best_duration, recorded_pixel_count);
     }
 
     bool found_tile_for_recorded_picture = false;
@@ skipping 18 matching lines @@
 }
 
 void PicturePile::SetEmptyBounds() {
   tiling_.SetTilingSize(gfx::Size());
   picture_map_.clear();
   has_any_recordings_ = false;
   recorded_viewport_ = gfx::Rect();
 }
 
 }  // namespace cc