REGRESSION (203941): iAd Producer: Clicking buttons in Preview does not work
https://bugs.webkit.org/show_bug.cgi?id=168677
<rdar://problem/30640101>

Reviewed by Ryosuke Niwa.

Add quirk to initMouseEvent to unbreak iAd Producer.

* dom/MouseEvent.cpp:
(WebCore::MouseEvent::initMouseEventQuirk):
* dom/MouseEvent.h:
* dom/MouseEvent.idl:
* platform/RuntimeApplicationChecks.h:
* platform/RuntimeApplicationChecks.mm:
(WebCore::MacApplication::isIADProducer):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@212773 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/WebCore/platform/RuntimeApplicationChecks.h b/Source/WebCore/platform/RuntimeApplicationChecks.h
index 011979e..0e42b0c 100644
--- a/Source/WebCore/platform/RuntimeApplicationChecks.h
+++ b/Source/WebCore/platform/RuntimeApplicationChecks.h
@@ -52,6 +52,7 @@
 bool isSolidStateNetworksDownloader();
 WEBCORE_EXPORT bool isVersions();
 WEBCORE_EXPORT bool isHRBlock();
+WEBCORE_EXPORT bool isIAdProducer();
 
 } // MacApplication