Plumb phase/momentum for WheelEvent.

third_party/WebKit/Source/core/events/WheelEvent.cpp

Index: third_party/WebKit/Source/core/events/WheelEvent.cpp
diff --git a/third_party/WebKit/Source/core/events/WheelEvent.cpp b/third_party/WebKit/Source/core/events/WheelEvent.cpp
index 5f45e07a19c925feead29f776e10a61b9d5672ad..2d23921d8361523c34697fb0d943c77e2c06f68b 100644
--- a/third_party/WebKit/Source/core/events/WheelEvent.cpp
+++ b/third_party/WebKit/Source/core/events/WheelEvent.cpp
@@ -42,7 +42,11 @@ WheelEvent* WheelEvent::create(const PlatformWheelEvent& event, AbstractView* vi
         MouseEvent::platformModifiersToButtons(event.getModifiers()), event.timestamp(),
         event.resendingPluginId(), event.hasPreciseScrollingDeltas(),
         static_cast<Event::RailsMode>(event.getRailsMode()),
-        event.cancelable());
+        event.cancelable()
+#if OS(MACOSX)
+        , static_cast<WheelEventPhase>(event.phase()), static_cast<WheelEventPhase>(event.momentumPhase())
+#endif
+        );
 }
 
 WheelEvent::WheelEvent()
@@ -66,6 +70,10 @@ WheelEvent::WheelEvent(const AtomicString& type, const WheelEventInit& initializ
     , m_resendingPluginId(-1)
     , m_hasPreciseScrollingDeltas(false)
     , m_railsMode(RailsModeFree)
+#if OS(MACOSX)
+    , m_phase(WheelEventPhaseNone)
+    , m_momentumPhase(WheelEventPhaseNone)
+#endif
 {
 }
 
@@ -87,9 +95,39 @@ WheelEvent::WheelEvent(const FloatPoint& wheelTicks, const FloatPoint& rawDelta,
     , m_resendingPluginId(resendingPluginId)
     , m_hasPreciseScrollingDeltas(hasPreciseScrollingDeltas)
     , m_railsMode(railsMode)
+#if OS(MACOSX)
+    , m_phase(WheelEventPhaseNone)
+    , m_momentumPhase(WheelEventPhaseNone)
+#endif
 {
 }
 
+#if OS(MACOSX)
+WheelEvent::WheelEvent(const FloatPoint& wheelTicks, const FloatPoint& rawDelta, unsigned deltaMode,
+    AbstractView* view, const IntPoint& screenLocation, const IntPoint& windowLocation,
+    PlatformEvent::Modifiers modifiers, unsigned short buttons, double platformTimeStamp,
+    int resendingPluginId, bool hasPreciseScrollingDeltas, RailsMode railsMode, bool cancelable,
+    WheelEventPhase phase, WheelEventPhase momentumPhase)
+    : MouseEvent(EventTypeNames::wheel, true, cancelable, view, 0, screenLocation.x(), screenLocation.y(),
+        windowLocation.x(), windowLocation.y(), 0, 0, modifiers, 0, buttons,
+        nullptr, platformTimeStamp, PlatformMouseEvent::RealOrIndistinguishable,
+        // TODO(zino): Should support canvas hit region because the wheel event
+        // is a kind of mouse event. Please see http://crbug.com/594075
+        String())
+    , m_wheelDelta(wheelTicks.x() * TickMultiplier, wheelTicks.y() * TickMultiplier)
+    , m_deltaX(-rawDelta.x())
+    , m_deltaY(-rawDelta.y())
+    , m_deltaZ(0)
+    , m_deltaMode(deltaMode)
+    , m_resendingPluginId(resendingPluginId)
+    , m_hasPreciseScrollingDeltas(hasPreciseScrollingDeltas)
+    , m_railsMode(railsMode)
+    , m_phase(phase)
+    , m_momentumPhase(momentumPhase)
+{
+}
+#endif
+
 const AtomicString& WheelEvent::interfaceName() const
 {
     return EventNames::WheelEvent;