Implement DisplayList GatherPixelRefs

cc/layers/picture_layer.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/layers/picture_layer.h"
 
 #include "base/auto_reset.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/resources/display_list_recording_source.h"
@@ skipping 69 matching lines @@
   DCHECK(recording_invalidation_.IsEmpty());
 }
 
 void PictureLayer::SetLayerTreeHost(LayerTreeHost* host) {
   Layer::SetLayerTreeHost(host);
   if (!host)
     return;
 
   if (!recording_source_) {
     if (host->settings().use_display_lists) {
-      recording_source_.reset(new DisplayListRecordingSource);
+      recording_source_.reset(new DisplayListRecordingSource(
+          host->settings().default_tile_grid_size));
     } else {
       recording_source_.reset(
           new PicturePile(host->settings().minimum_contents_scale,
                           host->settings().default_tile_grid_size));
     }
   }
   recording_source_->DidMoveToNewCompositor();
   recording_source_->SetSlowdownRasterScaleFactor(
       host->debug_state().slow_down_raster_scale_factor);
   recording_source_->SetGatherPixelRefs(host->settings().gather_pixel_refs);
@@ skipping 77 matching lines @@
   // or paint a fresh one depending on what we intend to do with the
   // picture. For now we just paint a fresh one to get consistent results.
   if (!DrawsContent())
     return skia::RefPtr<SkPicture>();
 
   gfx::Size layer_size = bounds();
   const LayerTreeSettings& settings = layer_tree_host()->settings();
 
   if (settings.use_display_lists) {
     scoped_ptr<RecordingSource> recording_source;
-    recording_source.reset(new DisplayListRecordingSource);
+    recording_source.reset(
+        new DisplayListRecordingSource(settings.default_tile_grid_size));
     Region recording_invalidation;
     recording_source->UpdateAndExpandInvalidation(
         client_, &recording_invalidation, layer_size, gfx::Rect(layer_size),
         update_source_frame_number_, RecordingSource::RECORD_NORMALLY);
 
     scoped_refptr<RasterSource> raster_source =
         recording_source->CreateRasterSource(false);
 
     return raster_source->GetFlattenedPicture();
   }
@@ skipping 28 matching lines @@
 
 bool PictureLayer::HasDrawableContent() const {
   return client_ && Layer::HasDrawableContent();
 }
 
 void PictureLayer::RunMicroBenchmark(MicroBenchmark* benchmark) {
   benchmark->RunOnLayer(this);
 }
 
 }  // namespace cc