Remove PlatformMouseEvent and use WebMouseEvent instead

third_party/WebKit/Source/core/layout/HitTestResult.h

Index: third_party/WebKit/Source/core/layout/HitTestResult.h
diff --git a/third_party/WebKit/Source/core/layout/HitTestResult.h b/third_party/WebKit/Source/core/layout/HitTestResult.h
index 18225cff8b1ee158fc0ed292904c7c185b00701d..ff5c464228f02e7944df64862e1f7faaaea9265a 100644
--- a/third_party/WebKit/Source/core/layout/HitTestResult.h
+++ b/third_party/WebKit/Source/core/layout/HitTestResult.h
@@ -154,6 +154,9 @@ class CORE_EXPORT HitTestResult {
   bool isLiveLink() const;
   bool isContentEditable() const;
 
+  const String& canvasRegionId() const { return m_canvasRegionId; }
+  void setCanvasRegionId(const String& id) { m_canvasRegionId = id; }
+
   bool isOverLink() const;
 
   bool isCacheable() const { return m_cacheable; }
@@ -208,6 +211,7 @@ class CORE_EXPORT HitTestResult {
                         // border/padding area of a LayoutPart for example).
 
   mutable Member<NodeSet> m_listBasedTestResult;
+  String m_canvasRegionId;
 };
 
 }  // namespace blink