Communicate whether passive event listeners exist to cc.

cc/trees/layer_tree_host_common_unittest.cc

 // 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.
 
 #include "cc/trees/layer_tree_host_common.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 9021 matching lines @@
 
   gfx::Transform identity;
 
   SetLayerPropertiesForTesting(root, identity, gfx::Point3F(), gfx::PointF(),
                                gfx::Size(100, 100), true, false, true);
   SetLayerPropertiesForTesting(child, identity, gfx::Point3F(), gfx::PointF(),
                                gfx::Size(100, 100), true, false, false);
 
   EXPECT_EQ(root->layer_or_descendant_has_input_handler(), false);
 
-  child->SetHaveWheelEventHandlers(true);
+  child->SetWheelEventProperties(EventListenerProperties::kBlocking);
   ExecuteCalculateDrawProperties(root);
   EXPECT_EQ(root->layer_or_descendant_has_input_handler(), true);
 
-  child->SetHaveWheelEventHandlers(false);
+  child->SetWheelEventProperties(EventListenerProperties::kPassive);
+  ExecuteCalculateDrawProperties(root);
+  EXPECT_EQ(root->layer_or_descendant_has_input_handler(), true);
+
+  child->SetWheelEventProperties(EventListenerProperties::kBlocking |
+                                 EventListenerProperties::kPassive);
+  ExecuteCalculateDrawProperties(root);
+  EXPECT_EQ(root->layer_or_descendant_has_input_handler(), true);
+
+  child->SetWheelEventProperties(EventListenerProperties::kNone);
   ExecuteCalculateDrawProperties(root);
   EXPECT_EQ(root->layer_or_descendant_has_input_handler(), false);
 }
 
 TEST_F(LayerTreeHostCommonTest, ResetPropertyTreeIndices) {
   gfx::Transform identity;
   gfx::Transform translate_z;
   translate_z.Translate3d(0, 0, 10);
 
   scoped_refptr<Layer> root = Layer::Create(layer_settings());
@@ skipping 475 matching lines @@
   SetLayerPropertiesForTesting(render_surface, identity_matrix, gfx::Point3F(),
                                gfx::PointF(), gfx::Size(30, 30), true, false,
                                true);
   SetLayerPropertiesForTesting(test_layer, identity_matrix, gfx::Point3F(),
                                gfx::PointF(), gfx::Size(20, 20), true, false,
                                false);
 
   render_surface->SetMasksToBounds(true);
   test_layer->SetDrawsContent(true);
   test_layer->SetOpacity(0);
-  test_layer->SetHaveWheelEventHandlers(true);
+  test_layer->SetWheelEventProperties(EventListenerProperties::kBlocking);
 
   ExecuteCalculateDrawProperties(root);
   EXPECT_EQ(gfx::Rect(20, 20), test_layer->drawable_content_rect());
   EXPECT_EQ(gfx::RectF(20, 20),
             render_surface->render_surface()->DrawableContentRect());
 }
 
 TEST_F(LayerTreeHostCommonTest, ClipChildVisibleRect) {
   LayerImpl* root = root_layer();
   LayerImpl* clip_parent = AddChildToRoot<LayerImpl>();
@@ skipping 235 matching lines @@
   proto::ScrollAndScaleSet proto;
   scroll_and_scale_set.ToProtobuf(&proto);
   ScrollAndScaleSet new_scroll_and_scale_set;
   new_scroll_and_scale_set.FromProtobuf(proto);
 
   EXPECT_TRUE(scroll_and_scale_set.EqualsForTesting(new_scroll_and_scale_set));
 }
 
 }  // namespace
 }  // namespace cc