Add a GPU rasterization hint to cc::PictureLayer

webkit/renderer/compositor_bindings/web_content_layer_impl.cc

 // Copyright 2011 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 "webkit/renderer/compositor_bindings/web_content_layer_impl.h"
 
 #include "cc/layers/content_layer.h"
 #include "cc/layers/picture_layer.h"
 #include "third_party/WebKit/public/platform/WebContentLayerClient.h"
 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
@@ skipping 28 matching lines @@
 blink::WebLayer* WebContentLayerImpl::layer() { return layer_.get(); }
 
 void WebContentLayerImpl::setDoubleSided(bool double_sided) {
   layer_->layer()->SetDoubleSided(double_sided);
 }
 
 void WebContentLayerImpl::setDrawCheckerboardForMissingTiles(bool enable) {
   layer_->layer()->SetDrawCheckerboardForMissingTiles(enable);
 }
 
+void WebContentLayerImpl::setHasGpuRasterizationHint(bool has_hint) {
+  if (WebLayerImpl::UsingPictureLayer()) {
+    static_cast<PictureLayer*>(layer_->layer())
+        ->SetHasGpuRasterizationHint(has_hint);
+  }
+}
+
 void WebContentLayerImpl::PaintContents(SkCanvas* canvas,
                                         const gfx::Rect& clip,
                                         gfx::RectF* opaque) {
   if (!client_)
     return;
 
   blink::WebFloatRect web_opaque;
   // For picture layers, always record with LCD text.  PictureLayerImpl
   // will turn this off later during rasterization.
   bool use_lcd_text = WebLayerImpl::UsingPictureLayer() || can_use_lcd_text_;
@@ skipping 10 matching lines @@
   // LCD text cannot be enabled once disabled.
   if (layer_->layer()->can_use_lcd_text() && ignore_lcd_text_change_)
     return;
 
   can_use_lcd_text_ = layer_->layer()->can_use_lcd_text();
   ignore_lcd_text_change_ = true;
   layer_->invalidate();
 }
 
 }  // namespace webkit