UserGestureIndicator: remove many unnecessary calls to isMainThread

third_party/WebKit/public/web/WebUserGestureIndicator.h

Index: third_party/WebKit/public/web/WebUserGestureIndicator.h
diff --git a/third_party/WebKit/public/web/WebUserGestureIndicator.h b/third_party/WebKit/public/web/WebUserGestureIndicator.h
index 44b1cacbd1413a3bb1b813d7e6ed635048693ad9..59f27a34d7402c2e0615d39c2e919c0080aa5ded 100644
--- a/third_party/WebKit/public/web/WebUserGestureIndicator.h
+++ b/third_party/WebKit/public/web/WebUserGestureIndicator.h
@@ -40,8 +40,11 @@ class WebUserGestureToken;
 
 class WebUserGestureIndicator {
  public:
-  // Returns true if a user gesture is currently being processed.
+  // Returns true if a user gesture is currently being processed. Must be called
+  // on the main thread.
   BLINK_EXPORT static bool isProcessingUserGesture();
+  // Can be called from any thread.

[kinuko, 2016/12/09 03:15:51]

Also note that it's slow and the other one must be preferred unless really
needed

[Charlie Harrison, 2016/12/09 15:24:14]

Done.

+  BLINK_EXPORT static bool isProcessingUserGestureThreadSafe();
 
   // Returns true if a consumable gesture exists and has been successfully
   // consumed.