Move have_wheel_event_handlers to WebLayerTreeView.

cc/trees/layer_tree_host_common_unittest.cc

Index: cc/trees/layer_tree_host_common_unittest.cc
diff --git a/cc/trees/layer_tree_host_common_unittest.cc b/cc/trees/layer_tree_host_common_unittest.cc
index d5ba0cef9f5a27fbf7c8f9aed06886ac1b4c5717..0ac0a42bf92371538c68240eb020a6df5975e284 100644
--- a/cc/trees/layer_tree_host_common_unittest.cc
+++ b/cc/trees/layer_tree_host_common_unittest.cc
@@ -9104,15 +9104,15 @@ TEST_F(LayerTreeHostCommonTest, InputHandlersRecursiveUpdateTest) {
   SetLayerPropertiesForTesting(child, identity, gfx::Point3F(), gfx::PointF(),
                                gfx::Size(100, 100), true, false, false);
 
-  EXPECT_EQ(root->layer_or_descendant_has_input_handler(), false);
+  EXPECT_EQ(root->layer_or_descendant_has_touch_handler(), false);
 
-  child->SetHaveWheelEventHandlers(true);
+  child->SetTouchEventHandlerRegion(gfx::Rect(0, 0, 100, 100));
   ExecuteCalculateDrawProperties(root);
-  EXPECT_EQ(root->layer_or_descendant_has_input_handler(), true);
+  EXPECT_EQ(root->layer_or_descendant_has_touch_handler(), true);
 
-  child->SetHaveWheelEventHandlers(false);
+  child->SetTouchEventHandlerRegion(gfx::Rect());
   ExecuteCalculateDrawProperties(root);
-  EXPECT_EQ(root->layer_or_descendant_has_input_handler(), false);
+  EXPECT_EQ(root->layer_or_descendant_has_touch_handler(), false);
 }
 
 TEST_F(LayerTreeHostCommonTest, ResetPropertyTreeIndices) {
@@ -9608,7 +9608,7 @@ TEST_F(LayerTreeHostCommonTest, LayerWithInputHandlerAndZeroOpacity) {
   render_surface->SetMasksToBounds(true);
   test_layer->SetDrawsContent(true);
   test_layer->SetOpacity(0);
-  test_layer->SetHaveWheelEventHandlers(true);
+  test_layer->SetTouchEventHandlerRegion(gfx::Rect(0, 0, 20, 20));
 
   ExecuteCalculateDrawProperties(root);
   EXPECT_EQ(translation, test_layer->ScreenSpaceTransform());