Canvas2d: fix event.region being null on mouseleave/out events

third_party/WebKit/Source/core/input/PointerEventManager.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 PointerEventManager_h
 #define PointerEventManager_h
 
 #include "core/CoreExport.h"
 #include "core/events/PointerEvent.h"
 #include "core/events/PointerEventFactory.h"
@@ skipping 69 matching lines @@
         bool hasRecievedOverEvent;
         EventTargetAttributes()
         : target(nullptr)
         , hasRecievedOverEvent(false) {}
         EventTargetAttributes(PassRefPtrWillBeRawPtr<EventTarget> target,
             bool hasRecievedOverEvent)
         : target(target)
         , hasRecievedOverEvent(hasRecievedOverEvent) {}
     };
 
+    PlatformMouseEvent mouseEventWithRegion(Node*, const PlatformMouseEvent&);

[dtapuska, 2016/04/05 15:57:28]

This seems like something that could just be in the anonymous namespace as it
doesn't require a reference to the PointerEventManager does it?

[zino, 2016/04/06 11:08:20]

good point.

Done.

+
     void sendNodeTransitionEvents(
         PassRefPtrWillBeRawPtr<EventTarget> exitedTarget,
         PassRefPtrWillBeRawPtr<EventTarget> enteredTarget,
         PassRefPtrWillBeRawPtr<PointerEvent>,
         const PlatformMouseEvent& = PlatformMouseEvent(),
         bool sendMouseEvent = false);
     void setNodeUnderPointer(PassRefPtrWillBeRawPtr<PointerEvent>,
         PassRefPtrWillBeRawPtr<EventTarget>, bool sendEvent = true);
 
     // Returns whether the pointer capture is changed. In this case this
@@ skipping 41 matching lines @@
     WillBeHeapHashMap<int, EventTargetAttributes> m_nodeUnderPointer;
 
     PointerCapturingMap m_pointerCaptureTarget;
     PointerCapturingMap m_pendingPointerCaptureTarget;
     PointerEventFactory m_pointerEventFactory;
 };
 
 } // namespace blink
 
 #endif // PointerEventManager_h