cc: Remove cc::settings, move them to LayerTreeSettings.

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 "cc/debug_border_draw_quad.h"
 #include "cc/geometry.h"
 #include "cc/layer_sorter.h"
+#include "cc/layer_tree_host_impl.h"
 #include "cc/math_util.h"
 #include "cc/proxy.h"
 #include "cc/quad_sink.h"
 #include "cc/scrollbar_animation_controller.h"
-#include "cc/settings.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 #include "ui/gfx/point_conversions.h"
 #include "ui/gfx/rect_conversions.h"
 
 using WebKit::WebTransformationMatrix;
 
 namespace cc {
 
 LayerImpl::LayerImpl(int id)
     : m_parent(0)
@@ skipping 200 matching lines @@
     if (!scrollable()) {
         TRACE_EVENT0("cc", "LayerImpl::tryScroll: Ignored not scrollable");
         return InputHandlerClient::ScrollIgnored;
     }
 
     return InputHandlerClient::ScrollStarted;
 }
 
 bool LayerImpl::drawCheckerboardForMissingTiles() const
 {
-    return m_drawCheckerboardForMissingTiles && !Settings::backgroundColorInsteadOfCheckerboard();
+    return m_drawCheckerboardForMissingTiles && !m_layerTreeHostImpl->settings().backgroundColorInsteadOfCheckerboard;
 }
 
 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);
 }
@@ skipping 457 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