Refactor Scroll Customization to share cc::ScrollStateData with blink.

third_party/WebKit/Source/core/input/EventHandler.cpp

Index: third_party/WebKit/Source/core/input/EventHandler.cpp
diff --git a/third_party/WebKit/Source/core/input/EventHandler.cpp b/third_party/WebKit/Source/core/input/EventHandler.cpp
index 5ec337e655cfa8a1cfe03b4df1cb535a050dfb01..0d438b8b165014a6b3c13ff556f310131cc0ddcd 100644
--- a/third_party/WebKit/Source/core/input/EventHandler.cpp
+++ b/third_party/WebKit/Source/core/input/EventHandler.cpp
@@ -2440,8 +2440,13 @@ WebInputEventResult EventHandler::handleGestureScrollEnd(const PlatformGestureEv
         passScrollGestureEventToWidget(gestureEvent, node->layoutObject());
         if (RuntimeEnabledFeatures::scrollCustomizationEnabled()) {
             RefPtrWillBeRawPtr<ScrollState> scrollState = ScrollState::create(
-                0, 0, 0, 0, 0, gestureEvent.inertial(), /* isBeginning */
-                false, /* isEnding */ true, /* fromUserInput */ true);
+                0 /* deltaX */, 0 /* deltaY */,
+                gestureEvent.position().x(), gestureEvent.position().y(),
+                0 /* velocityX*/, 0 /* velocityY */,
+                false /* isBeginning */, gestureEvent.inertial(), true /* isEnding */,
+                false /* shouldPropagate */, true /* fromUserInput */,
+                true /* isDirectManipulation */, 0 /* deltaGranularity*/,
+                m_deltaConsumedForScrollSequence);
             customizedScroll(*node.get(), *scrollState);
         }
     }
@@ -2477,8 +2482,13 @@ WebInputEventResult EventHandler::handleGestureScrollBegin(const PlatformGesture
     if (RuntimeEnabledFeatures::scrollCustomizationEnabled()) {
         m_currentScrollChain.clear();
         RefPtrWillBeRawPtr<ScrollState> scrollState = ScrollState::create(
-            0, 0, 0, 0, 0, /* inInertialPhase */ false, /* isBeginning */
-            true, /* isEnding */ false, /* fromUserInput */ true);
+            0 /* deltaX */, 0 /* deltaY */,
+            gestureEvent.position().x(), gestureEvent.position().y(),
+            0 /* velocityX*/, 0 /* velocityY */,
+            true /* isBeginning */, false /* inertial */, false /* isEnding */,
+            false /* shouldPropagate */, true /* fromUserInput */,
+            true /* isDirectManipulation */, 0 /* deltaGranularity*/,
+            m_deltaConsumedForScrollSequence);
         customizedScroll(*m_scrollGestureHandlingNode.get(), *scrollState);
     } else {
         if (m_frame->isMainFrame())
@@ -2557,10 +2567,12 @@ WebInputEventResult EventHandler::handleGestureScrollUpdate(const PlatformGestur
         if (handleScrollCustomization) {
             RefPtrWillBeRawPtr<ScrollState> scrollState = ScrollState::create(
                 gestureEvent.deltaX(), gestureEvent.deltaY(),
-                0, gestureEvent.velocityX(), gestureEvent.velocityY(),
-                gestureEvent.inertial(), /* isBeginning */
-                false, /* isEnding */ false, /* fromUserInput */ true,
-                !gestureEvent.preventPropagation(), m_deltaConsumedForScrollSequence);
+                gestureEvent.position().x(), gestureEvent.position().y(),
+                gestureEvent.velocityX(), gestureEvent.velocityY(),
+                false /* isBeginning */, gestureEvent.inertial(), false /* isEnding */,
+                !gestureEvent.preventPropagation(), true /* fromUserInput */,
+                true /* isDirectManipulation */, 0 /* deltaGranularity*/,
+                m_deltaConsumedForScrollSequence);
             if (m_previousGestureScrolledNode) {
                 // The ScrollState needs to know what the current
                 // native scrolling element is, so that for an