Implement a method to access the non-composited content root layer picture pile.

cc/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 "cc/layer_impl.h"
 
 #include "base/debug/trace_event.h"
 #include "base/stringprintf.h"
 #include "base/values.h"
 #include "cc/animation_registrar.h"
 #include "cc/debug_border_draw_quad.h"
 #include "cc/debug_colors.h"
 #include "cc/layer_tree_debug_state.h"
 #include "cc/layer_tree_impl.h"
 #include "cc/layer_tree_settings.h"
 #include "cc/math_util.h"
+#include "cc/picture_pile_impl.h"
 #include "cc/proxy.h"
 #include "cc/quad_sink.h"
 #include "cc/scrollbar_animation_controller.h"
 #include "cc/scrollbar_animation_controller_linear_fade.h"
 #include "ui/gfx/point_conversions.h"
 #include "ui/gfx/rect_conversions.h"
 
 namespace cc {
 
 LayerImpl::LayerImpl(LayerTreeImpl* treeImpl, int id)
@@ skipping 264 matching lines @@
 
 gfx::Rect LayerImpl::layerRectToContentRect(const gfx::RectF& layerRect) const
 {
     gfx::RectF contentRect = gfx::ScaleRect(layerRect, contentsScaleX(), contentsScaleY());
     // Intersect with content rect to avoid the extra pixel because for some
     // values x and y, ceil((x / y) * y) may be x + 1.
     contentRect.Intersect(gfx::Rect(gfx::Point(), contentBounds()));
     return gfx::ToEnclosingRect(contentRect);
 }
 
+scoped_refptr<PicturePileImpl> LayerImpl::GetPicturePileClone() const
+{
+    return scoped_refptr<PicturePileImpl>();
+}
+
 std::string LayerImpl::indentString(int indent)
 {
     std::string str;
     for (int i = 0; i != indent; ++i)
         str.append("  ");
     return str;
 }
 
 void LayerImpl::dumpLayerProperties(std::string* str, int indent) const
 {
@@ skipping 505 matching lines @@
 
 void LayerImpl::setVerticalScrollbarLayer(ScrollbarLayerImpl* scrollbarLayer)
 {
     if (!m_scrollbarAnimationController)
         m_scrollbarAnimationController = ScrollbarAnimationController::create(this);
     m_scrollbarAnimationController->setVerticalScrollbarLayer(scrollbarLayer);
     m_scrollbarAnimationController->updateScrollOffset(this);
 }
 
 }  // namespace cc