cc: Add more PictureLayerImpl tracing information.

cc/layers/picture_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/picture_layer_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 1307 matching lines @@
     state->BeginDictionary();
 
     MathUtil::AddToTracedValue("geometry_rect", iter.geometry_rect(), state);
 
     if (*iter)
       TracedValue::SetIDRef(*iter, state, "tile");
 
     state->EndDictionary();
   }
   state->EndArray();
+
+  state->BeginDictionary("can_have_tilings_state");
+  state->SetBoolean("can_have_tilings", CanHaveTilings());
+  state->SetBoolean("raster_source_solid_color",
+                    raster_source_->IsSolidColor());
+  state->SetBoolean("draws_content", DrawsContent());
+  state->SetBoolean("raster_source_has_recordings",
+                    raster_source_->HasRecordings());
+  state->SetDouble("max_contents_scale", MaximumTilingContentsScale());
+  state->SetDouble("min_contents_scale", MinimumContentsScale());
+  state->EndDictionary();
+
+  state->BeginDictionary("raster_scales");
+  state->SetDouble("page_scale", raster_page_scale_);
+  state->SetDouble("device_scale", raster_device_scale_);
+  state->SetDouble("source_scale", raster_source_scale_);
+  state->SetDouble("contents_scale", raster_contents_scale_);
+  state->SetDouble("low_res_contents_scale", low_res_raster_contents_scale_);
+  state->EndDictionary();
+
+  state->BeginDictionary("ideal_scales");
+  state->SetDouble("page_scale", ideal_page_scale_);
+  state->SetDouble("device_scale", ideal_device_scale_);
+  state->SetDouble("source_scale", ideal_source_scale_);
+  state->SetDouble("contents_scale", ideal_contents_scale_);
+  state->EndDictionary();
 }
 
 size_t PictureLayerImpl::GPUMemoryUsageInBytes() const {
   return tilings_->GPUMemoryUsageInBytes();
 }
 
 void PictureLayerImpl::RunMicroBenchmark(MicroBenchmarkImpl* benchmark) {
   benchmark->RunOnLayer(this);
 }
 
 WhichTree PictureLayerImpl::GetTree() const {
   return layer_tree_impl()->IsActiveTree() ? ACTIVE_TREE : PENDING_TREE;
 }
 
 bool PictureLayerImpl::IsOnActiveOrPendingTree() const {
   return !layer_tree_impl()->IsRecycleTree();
 }
 
 bool PictureLayerImpl::HasValidTilePriorities() const {
   return IsOnActiveOrPendingTree() &&
          is_drawn_render_surface_layer_list_member();
 }
 
 }  // namespace cc