Make first TouchStart and first TouchMove events on a flinging layer non-blocking

third_party/WebKit/Source/platform/PlatformEvent.h

Index: third_party/WebKit/Source/platform/PlatformEvent.h
diff --git a/third_party/WebKit/Source/platform/PlatformEvent.h b/third_party/WebKit/Source/platform/PlatformEvent.h
index ad3883f44d3bc25ab7e9944867b6440936b58dc7..8d5cffd232cfd95058c943323e496539e5f09661 100644
--- a/third_party/WebKit/Source/platform/PlatformEvent.h
+++ b/third_party/WebKit/Source/platform/PlatformEvent.h
@@ -130,8 +130,8 @@ public:
         // All listeners are passive.
         ListenersNonBlockingPassive,
         // This value represents a state which would have normally blocking
-        // but was forced to be non-blocking.
-        ListenersForcedNonBlockingPassive,
+        // but was forced to be non-blocking during fling; not cancelable.
+        ListenersForcedNonBlockingPassiveDueToFling,
     };
 
     EventType type() const { return static_cast<EventType>(m_type); }