Move scroll event handlers from layer to layer tree view.

cc/debug/debug_rect_history.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/debug/debug_rect_history.h"
 
 #include <stddef.h>
 
 #include "cc/base/math_util.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 179 matching lines @@
                                                   gfx::Rect(layer->bounds()))));
 }
 
 void DebugRectHistory::SaveScrollEventHandlerRects(LayerImpl* layer) {
   LayerTreeHostCommon::CallFunctionForSubtree(layer, [this](LayerImpl* layer) {
     SaveScrollEventHandlerRectsCallback(layer);
   });
 }
 
 void DebugRectHistory::SaveScrollEventHandlerRectsCallback(LayerImpl* layer) {
-  if (!layer->have_scroll_event_handlers())
+  if (!layer->layer_tree_impl()->have_scroll_event_handlers())
     return;
 
   debug_rects_.push_back(
       DebugRect(SCROLL_EVENT_HANDLER_RECT_TYPE,
                 MathUtil::MapEnclosingClippedRect(layer->ScreenSpaceTransform(),
                                                   gfx::Rect(layer->bounds()))));
 }
 
 void DebugRectHistory::SaveNonFastScrollableRects(LayerImpl* layer) {
   LayerTreeHostCommon::CallFunctionForSubtree(layer, [this](LayerImpl* layer) {
@@ skipping 29 matching lines @@
     debug_rects_.push_back(
         DebugRect(ANIMATION_BOUNDS_RECT_TYPE,
                   gfx::ToEnclosingRect(gfx::RectF(inflated_bounds.x(),
                                                   inflated_bounds.y(),
                                                   inflated_bounds.width(),
                                                   inflated_bounds.height()))));
   }
 }
 
 }  // namespace cc