Move have_wheel_event_handlers to WebLayerTreeView.

cc/layers/layer_impl.h

 // 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.
 
 #ifndef CC_LAYERS_LAYER_IMPL_H_
 #define CC_LAYERS_LAYER_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 485 matching lines @@
   void ApplySentScrollDeltasFromAbortedCommit();
 
   void set_main_thread_scrolling_reasons(
       uint32_t main_thread_scrolling_reasons) {
     main_thread_scrolling_reasons_ = main_thread_scrolling_reasons;
   }
   bool should_scroll_on_main_thread() const {
     return !!main_thread_scrolling_reasons_;
   }
 
-  void SetHaveWheelEventHandlers(bool have_wheel_event_handlers) {
-    have_wheel_event_handlers_ = have_wheel_event_handlers;
-  }
-  bool have_wheel_event_handlers() const { return have_wheel_event_handlers_; }
-
   void SetHaveScrollEventHandlers(bool have_scroll_event_handlers) {
     have_scroll_event_handlers_ = have_scroll_event_handlers;
   }
   bool have_scroll_event_handlers() const {
     return have_scroll_event_handlers_;
   }
 
   void SetNonFastScrollableRegion(const Region& region) {
     non_fast_scrollable_region_ = region;
   }
@@ skipping 135 matching lines @@
   void set_visited(bool visited) { visited_ = visited; }
 
   bool visited() { return visited_; }
 
   void set_layer_or_descendant_is_drawn(bool layer_or_descendant_is_drawn) {
     layer_or_descendant_is_drawn_ = layer_or_descendant_is_drawn;
   }
 
   bool layer_or_descendant_is_drawn() { return layer_or_descendant_is_drawn_; }
 
-  void set_layer_or_descendant_has_input_handler(
-      bool layer_or_descendant_has_input_handler) {
-    layer_or_descendant_has_input_handler_ =
-        layer_or_descendant_has_input_handler;
+  void set_layer_or_descendant_has_touch_handler(
+      bool layer_or_descendant_has_touch_handler) {
+    layer_or_descendant_has_touch_handler_ =
+        layer_or_descendant_has_touch_handler;
   }
 
-  bool layer_or_descendant_has_input_handler() {
-    return layer_or_descendant_has_input_handler_;
+  bool layer_or_descendant_has_touch_handler() {
+    return layer_or_descendant_has_touch_handler_;
   }
 
   void set_sorted_for_recursion(bool sorted_for_recursion) {
     sorted_for_recursion_ = sorted_for_recursion;
   }
   bool sorted_for_recursion() { return sorted_for_recursion_; }
 
   int num_copy_requests_in_target_subtree();
 
   void UpdatePropertyTreeForScrollingAndAnimationIfNeeded();
@@ skipping 75 matching lines @@
   scoped_refptr<SyncedScrollOffset> scroll_offset_;
   gfx::Vector2dF bounds_delta_;
 
   // Properties synchronized from the associated Layer.
   gfx::Point3F transform_origin_;
   gfx::Size bounds_;
   int scroll_clip_layer_id_;
 
   gfx::Vector2dF offset_to_transform_parent_;
   uint32_t main_thread_scrolling_reasons_;
-  bool have_wheel_event_handlers_ : 1;
   bool have_scroll_event_handlers_ : 1;
 
   bool user_scrollable_horizontal_ : 1;
   bool user_scrollable_vertical_ : 1;
   bool stacking_order_changed_ : 1;
   // Whether the "back" of this layer should draw.
   bool double_sided_ : 1;
   bool should_flatten_transform_ : 1;
   bool should_flatten_transform_from_property_tree_ : 1;
 
@@ skipping 94 matching lines @@
 
   scoped_refptr<base::trace_event::ConvertableToTraceFormat> debug_info_;
   scoped_ptr<RenderSurfaceImpl> render_surface_;
 
   bool force_render_surface_;
 
   std::vector<FrameTimingRequest> frame_timing_requests_;
   bool frame_timing_requests_dirty_;
   bool visited_;
   bool layer_or_descendant_is_drawn_;
-  // If true, the layer or one of its descendants has a wheel or touch handler.
-  bool layer_or_descendant_has_input_handler_;
+  // If true, the layer or one of its descendants has a touch handler.
+  bool layer_or_descendant_has_touch_handler_;
   bool sorted_for_recursion_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_