Hit test on the layer tree rather than the RSLL

cc/trees/layer_tree_host_common.h

Index: cc/trees/layer_tree_host_common.h
diff --git a/cc/trees/layer_tree_host_common.h b/cc/trees/layer_tree_host_common.h
index 5090c6977e02a4d4c1ed85156c2f74f6f023b860..ab475464f25d828e53085f128a026f15c58df3af 100644
--- a/cc/trees/layer_tree_host_common.h
+++ b/cc/trees/layer_tree_host_common.h
@@ -99,24 +99,6 @@ class CC_EXPORT LayerTreeHostCommon {
       CalcDrawPropsImplInputsForTesting;
   static void CalculateDrawProperties(CalcDrawPropsImplInputs* inputs);
 
-  // Performs hit testing for a given render_surface_layer_list.
-  static LayerImpl* FindFirstScrollingLayerThatIsHitByPoint(
-      const gfx::PointF& screen_space_point,
-      const LayerImplList& render_surface_layer_list);
-
-  // Performs hit testing for a given render_surface_layer_list.
-  static LayerImpl* FindLayerThatIsHitByPoint(
-      const gfx::PointF& screen_space_point,
-      const LayerImplList& render_surface_layer_list);
-
-  static LayerImpl* FindLayerThatIsHitByPointInTouchHandlerRegion(
-      const gfx::PointF& screen_space_point,
-      const LayerImplList& render_surface_layer_list);
-
-  static bool LayerHasTouchEventHandlersAt(
-      const gfx::PointF& screen_space_point,
-      LayerImpl* layer_impl);
-
   template <typename LayerType>
   static bool RenderSurfaceContributesToTarget(LayerType*,
                                                int target_surface_layer_id);
@@ -238,7 +220,7 @@ LayerTreeHostCommon::CalcDrawPropsInputsForTesting<LayerType,
           true,
           false,
           render_surface_layer_list,
-          0) {
+          1) {

[danakj, 2014/05/09 18:43:48]

can these stay 0 ie invalid to be overridden by tests that set/use them?

[Ian Vollick, 2014/05/10 02:57:17]

Done.

   DCHECK(root_layer);
   DCHECK(render_surface_layer_list);
 }
@@ -262,7 +244,7 @@ LayerTreeHostCommon::CalcDrawPropsInputsForTesting<LayerType,
           true,
           false,
           render_surface_layer_list,
-          0) {
+          1) {
   DCHECK(root_layer);
   DCHECK(render_surface_layer_list);
 }