cc: Send updated tile priority with tiles into tracing.

cc/layers/layer_impl.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/layer_impl.h"
 
 #include "base/json/json_reader.h"
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
@@ skipping 1421 matching lines @@
 }
 
 void LayerImpl::RemoveDependentNeedsPushProperties() {
   num_dependents_need_push_properties_--;
   DCHECK_GE(num_dependents_need_push_properties_, 0);
 
   if (!parent_should_know_need_push_properties() && parent_)
       parent_->RemoveDependentNeedsPushProperties();
 }
 
-void LayerImpl::GetAllTilesForTracing(std::set<const Tile*>* tiles) const {
+void LayerImpl::GetAllTilesAndPrioritiesForTracing(
+    std::map<const Tile*, TilePriority>* tile_map) const {
 }
 
 void LayerImpl::AsValueInto(base::trace_event::TracedValue* state) const {
   TracedValue::MakeDictIntoImplicitSnapshotWithCategory(
       TRACE_DISABLED_BY_DEFAULT("cc.debug"),
       state,
       "cc::LayerImpl",
       LayerTypeAsString(),
       this);
   state->SetInteger("layer_id", id());
@@ skipping 164 matching lines @@
   gfx::Transform scaled_draw_transform =
       draw_properties_.target_space_transform;
   scaled_draw_transform.Scale(SK_MScalar1 / scale, SK_MScalar1 / scale);
   gfx::Size scaled_content_bounds =
       gfx::ToCeiledSize(gfx::ScaleSize(content_bounds(), scale));
   return MathUtil::MapEnclosingClippedRect(scaled_draw_transform,
                                            gfx::Rect(scaled_content_bounds));
 }
 
 }  // namespace cc