Move touch hit testing to PointerEventManager

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

 // Copyright 2016 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.
 
 #ifndef TouchEventManager_h
 #define TouchEventManager_h
 
 #include "core/CoreExport.h"
 #include "core/events/PointerEventFactory.h"
 #include "platform/UserGestureIndicator.h"
@@ skipping 22 matching lines @@
             visitor->trace(touchNode);
             visitor->trace(targetFrame);
         }
 
         PlatformTouchPoint point;
         Member<Node> touchNode;
         Member<LocalFrame> targetFrame;
         FloatPoint contentPoint;
         FloatSize adjustedRadius;
         bool knownTarget;
-        bool consumed;
         String region;
     };
 
     explicit TouchEventManager(LocalFrame*);
     ~TouchEventManager();
     DECLARE_TRACE();
 
-    // Returns true if it succesfully generates touchInfos.
-    bool generateTouchInfosAfterHittest(
+    // Does the hit-testing again if the original hit test result was not inside
+    // capturing frame for touch events. Returns true if touch events could be
+    // dispatched and otherwise returns false.
+    bool reHitTestTouchPointsIfNeeded(
         const PlatformTouchEvent&,
         HeapVector<TouchInfo>&);
 
+    // The TouchInfo array is reference just to prevent the copy. However, it
+    // cannot be const as this function might change some of the properties in
+    // TouchInfo objects.
     WebInputEventResult handleTouchEvent(
         const PlatformTouchEvent&,
-        const HeapVector<TouchInfo>&);
+        HeapVector<TouchInfo>&);
 
     // Resets the internal state of this object.
     void clear();
 
     // Returns whether there is any touch on the screen.
     bool isAnyTouchActive() const;
 
 private:
 
     void updateTargetAndRegionMapsForTouchStarts(HeapVector<TouchInfo>&);
@@ skipping 24 matching lines @@
     // True if waiting on first touch move after a touch start.
     bool m_waitingForFirstTouchMove;
 
 };
 
 } // namespace blink
 
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::TouchEventManager::TouchInfo);
 
 #endif // TouchEventManager_h