Fixed memory issues with EventHandler::TouchInfo.

Source/core/input/EventHandler.cpp

Index: Source/core/input/EventHandler.cpp
diff --git a/Source/core/input/EventHandler.cpp b/Source/core/input/EventHandler.cpp
index ed72ddf7134747ec0f7302532c2da5e16c164a68..c6e766f67b2423d758b3de1f7158c61c78d94c31 100644
--- a/Source/core/input/EventHandler.cpp
+++ b/Source/core/input/EventHandler.cpp
@@ -3540,7 +3540,7 @@ bool EventHandler::dispatchTouchEvents(const PlatformTouchEvent& event,
 
         RefPtrWillBeRawPtr<Touch> touch = Touch::create(
             touchInfo.targetFrame,
-            touchInfo.touchTarget,
+            touchInfo.touchTarget.get(),
             point.id(),
             point.screenPos(),
             touchInfo.adjustedPagePoint,
@@ -3550,10 +3550,10 @@ bool EventHandler::dispatchTouchEvents(const PlatformTouchEvent& event,
 
         // Ensure this target's touch list exists, even if it ends up empty, so
         // it can always be passed to TouchEvent::Create below.
-        TargetTouchesHeapMap::iterator targetTouchesIterator = touchesByTarget.find(touchInfo.touchTarget);
+        TargetTouchesHeapMap::iterator targetTouchesIterator = touchesByTarget.find(touchInfo.touchTarget.get());
         if (targetTouchesIterator == touchesByTarget.end()) {
-            touchesByTarget.set(touchInfo.touchTarget, TouchList::create());
-            targetTouchesIterator = touchesByTarget.find(touchInfo.touchTarget);
+            touchesByTarget.set(touchInfo.touchTarget.get(), TouchList::create());
+            targetTouchesIterator = touchesByTarget.find(touchInfo.touchTarget.get());
         }
 
         // touches and targetTouches should only contain information about
@@ -3766,7 +3766,7 @@ bool EventHandler::handleTouchEvent(const PlatformTouchEvent& event)
 
         TouchInfo& touchInfo = touchInfos[i];
         touchInfo.point = point;
-        touchInfo.touchTarget = touchTarget.get();
+        touchInfo.touchTarget = touchTarget;
         touchInfo.targetFrame = targetFrame;
         touchInfo.adjustedPagePoint = pagePoint.scaledBy(scaleFactor);
         touchInfo.adjustedRadius = point.radius().scaledBy(scaleFactor);