Record SkPicture with correct LCD text setting.

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 "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
 #include "ui/gfx/rect_conversions.h"
 
 namespace cc {
 
 scoped_refptr<PictureLayer> PictureLayer::Create(ContentLayerClient* client) {
   return make_scoped_refptr(new PictureLayer(client));
 }
 
 PictureLayer::PictureLayer(ContentLayerClient* client)
     : client_(client),
       pile_(make_scoped_refptr(new PicturePile())),
       instrumentation_object_tracker_(id()),
       is_mask_(false),
-      update_source_frame_number_(-1) {}
+      update_source_frame_number_(-1),
+      can_use_lcd_text_last_frame_(can_use_lcd_text()) {
+}
 
 PictureLayer::~PictureLayer() {
 }
 
 bool PictureLayer::DrawsContent() const {
   return Layer::DrawsContent() && client_;
 }
 
 scoped_ptr<LayerImpl> PictureLayer::CreateLayerImpl(LayerTreeImpl* tree_impl) {
   return PictureLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>();
@@ skipping 46 matching lines @@
     pending_invalidation_.Union(rect);
   }
   Layer::SetNeedsDisplayRect(layer_rect);
 }
 
 bool PictureLayer::Update(ResourceUpdateQueue* queue,
                           const OcclusionTracker<Layer>* occlusion) {
   update_source_frame_number_ = layer_tree_host()->source_frame_number();
   bool updated = Layer::Update(queue, occlusion);
 
+  UpdateCanUseLCDText();
+
   gfx::Rect visible_layer_rect = gfx::ScaleToEnclosingRect(
       visible_content_rect(), 1.f / contents_scale_x());
 
   gfx::Rect layer_rect = gfx::Rect(paint_properties().bounds);
 
   if (last_updated_visible_content_rect_ == visible_content_rect() &&
       pile_->tiling_rect() == layer_rect && pending_invalidation_.IsEmpty()) {
     // Only early out if the visible content rect of this layer hasn't changed.
     return updated;
   }
@@ skipping 49 matching lines @@
       return Picture::RECORD_WITH_SKRECORD;
   }
   NOTREACHED();
   return Picture::RECORD_NORMALLY;
 }
 
 bool PictureLayer::SupportsLCDText() const {
   return true;
 }
 
+void PictureLayer::UpdateCanUseLCDText() {
+  if (can_use_lcd_text_last_frame_ == can_use_lcd_text())
+    return;
+
+  can_use_lcd_text_last_frame_ = can_use_lcd_text();
+  if (client_)
+    client_->DidChangeLayerCanUseLCDText();
+}
+
 skia::RefPtr<SkPicture> PictureLayer::GetPicture() const {
   // We could either flatten the PicturePile into a single SkPicture,
   // 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>();
 
   int width = bounds().width();
   int height = bounds().height();
   gfx::RectF opaque;
@@ skipping 10 matching lines @@
 
 bool PictureLayer::IsSuitableForGpuRasterization() const {
   return pile_->is_suitable_for_gpu_rasterization();
 }
 
 void PictureLayer::RunMicroBenchmark(MicroBenchmark* benchmark) {
   benchmark->RunOnLayer(this);
 }
 
 }  // namespace cc