Communicate whether passive event listeners exist to cc.

cc/blink/web_layer_impl.cc

 // Copyright 2014 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/blink/web_layer_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 309 matching lines @@
 }
 
 bool WebLayerImpl::userScrollableHorizontal() const {
   return layer_->user_scrollable_horizontal();
 }
 
 bool WebLayerImpl::userScrollableVertical() const {
   return layer_->user_scrollable_vertical();
 }
 
-void WebLayerImpl::setHaveWheelEventHandlers(bool have_wheel_event_handlers) {
-  layer_->SetHaveWheelEventHandlers(have_wheel_event_handlers);
+static_assert(
+    static_cast<uint32_t>(blink::WebEventListenerProperties::Nothing) ==
+        cc::EventListenerProperties::kNone,
+    "EventListener and WebEventListener enums must match");
+static_assert(
+    static_cast<uint32_t>(blink::WebEventListenerProperties::Passive) ==
+        cc::EventListenerProperties::kPassive,
+    "EventListener and WebEventListener enums must match");
+static_assert(
+    static_cast<uint32_t>(blink::WebEventListenerProperties::Blocking) ==
+        cc::EventListenerProperties::kBlocking,
+    "EventListener and WebEventListener enums must match");
+
+void WebLayerImpl::setTouchEventListenerProperties(
+    blink::WebEventListenerProperties touch_event_properties) {
+  layer_->SetTouchEventProperties(
+      static_cast<uint32_t>(touch_event_properties));
 }
 
-bool WebLayerImpl::haveWheelEventHandlers() const {
-  return layer_->have_wheel_event_handlers();
+blink::WebEventListenerProperties WebLayerImpl::touchEventListenerProperties()
+    const {
+  return static_cast<blink::WebEventListenerProperties>(
+      layer_->touch_event_properties());
+}
+
+void WebLayerImpl::setWheelEventListenerProperties(
+    blink::WebEventListenerProperties wheel_event_properties) {
+  layer_->SetWheelEventProperties(
+      static_cast<uint32_t>(wheel_event_properties));
+}
+
+blink::WebEventListenerProperties WebLayerImpl::wheelEventListenerProperties()
+    const {
+  return static_cast<blink::WebEventListenerProperties>(
+      layer_->wheel_event_properties());
 }
 
 void WebLayerImpl::setHaveScrollEventHandlers(bool have_scroll_event_handlers) {
   layer_->SetHaveScrollEventHandlers(have_scroll_event_handlers);
 }
 
 bool WebLayerImpl::haveScrollEventHandlers() const {
   return layer_->have_scroll_event_handlers();
 }
 
@@ skipping 203 matching lines @@
 
 Layer* WebLayerImpl::layer() const {
   return layer_.get();
 }
 
 void WebLayerImpl::SetContentsOpaqueIsFixed(bool fixed) {
   contents_opaque_is_fixed_ = fixed;
 }
 
 }  // namespace cc_blink