Fix clientX/Y properties of touch pointer events

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

Index: third_party/WebKit/Source/core/input/TouchEventManager.cpp
diff --git a/third_party/WebKit/Source/core/input/TouchEventManager.cpp b/third_party/WebKit/Source/core/input/TouchEventManager.cpp
index 5fbb1139f481d6dcf3bea6dfe89f759b3deb01d4..50c4e5ec0a99700a92973de04cebfebfe68607fc 100644
--- a/third_party/WebKit/Source/core/input/TouchEventManager.cpp
+++ b/third_party/WebKit/Source/core/input/TouchEventManager.cpp
@@ -177,7 +177,7 @@ WebInputEventResult TouchEventManager::dispatchTouchEvents(
             touchInfo.touchNode.get(),
             point.id(),
             point.screenPos(),
-            touchInfo.adjustedPagePoint,
+            touchInfo.contentPoint,
             touchInfo.adjustedRadius,
             point.rotationAngle(),
             point.force(),
@@ -379,9 +379,13 @@ void TouchEventManager::setAllPropertiesOfTouchInfos(
             touchInfo.point.pos());
         float scaleFactor = 1.0f / targetFrame->pageZoomFactor();
 
+        FloatPoint scrollPosition = targetFrame->view()->scrollPosition();
+
         touchInfo.touchNode = touchNode;
         touchInfo.targetFrame = targetFrame;
-        touchInfo.adjustedPagePoint = pagePoint.scaledBy(scaleFactor);
+        touchInfo.contentPoint = pagePoint.scaledBy(scaleFactor);
+        touchInfo.clientPoint = touchInfo.contentPoint;
+        touchInfo.clientPoint.moveBy(scrollPosition.scaledBy(-scaleFactor));
         touchInfo.adjustedRadius = touchInfo.point.radius().scaledBy(scaleFactor);
         touchInfo.knownTarget = knownTarget;
         touchInfo.consumed = false;