cc: Add SwapPromiseManager and SurfaceSequenceGenerator.

cc/layers/painted_scrollbar_layer.cc

 // Copyright 2013 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/painted_scrollbar_layer.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "cc/base/math_util.h"
@@ skipping 152 matching lines @@
     UpdateProperty(scrollbar_->ThumbThickness(), &thumb_thickness_);
     UpdateProperty(scrollbar_->ThumbLength(), &thumb_length_);
   } else {
     UpdateProperty(0, &thumb_thickness_);
     UpdateProperty(0, &thumb_length_);
   }
 }
 
 void PaintedScrollbarLayer::UpdateInternalContentScale() {
   float scale = GetLayerTree()->device_scale_factor();
-  if (GetLayerTree()
+  if (layer_tree_host()
           ->GetSettings()
           .layer_transforms_should_scale_layer_contents) {
     gfx::Transform transform;
     transform = draw_property_utils::ScreenSpaceTransform(
         this, GetLayerTree()->property_trees()->transform_tree);
 
     gfx::Vector2dF transform_scales =
         MathUtil::ComputeTransform2dScaleComponents(transform, scale);
     scale = std::max(transform_scales.x(), transform_scales.y());
   }
@@ skipping 38 matching lines @@
     thumb_resource_ = nullptr;
     SetNeedsPushProperties();
     updated = true;
   }
 
   if (update_rect().IsEmpty() && track_resource_)
     return updated;
 
   if (!track_resource_ || scrollbar_->NeedsPaintPart(TRACK)) {
     track_resource_ = ScopedUIResource::Create(
-        GetLayerTree()->GetUIResourceManager(),
+        layer_tree_host()->GetUIResourceManager(),
         RasterizeScrollbarPart(track_layer_rect, scaled_track_rect, TRACK));
   }
 
   gfx::Rect thumb_layer_rect = OriginThumbRect();
   gfx::Rect scaled_thumb_rect =
       ScrollbarLayerRectToContentRect(thumb_layer_rect);
   if (has_thumb_ && !scaled_thumb_rect.IsEmpty()) {
     if (!thumb_resource_ || scrollbar_->NeedsPaintPart(THUMB) ||
         scaled_thumb_rect.size() !=
             thumb_resource_->GetBitmap(0, false).GetSize()) {
       thumb_resource_ = ScopedUIResource::Create(
-          GetLayerTree()->GetUIResourceManager(),
+          layer_tree_host()->GetUIResourceManager(),
           RasterizeScrollbarPart(thumb_layer_rect, scaled_thumb_rect, THUMB));
     }
     thumb_opacity_ = scrollbar_->ThumbOpacity();
   }
 
   // UI resources changed so push properties is needed.
   SetNeedsPushProperties();
   updated = true;
   return updated;
 }
@@ skipping 28 matching lines @@
 
   scrollbar_->PaintPart(&skcanvas, part, layer_rect);
   // Make sure that the pixels are no longer mutable to unavoid unnecessary
   // allocation and copying.
   skbitmap.setImmutable();
 
   return UIResourceBitmap(skbitmap);
 }
 
 }  // namespace cc