[GTK] Unreviewed. Fix build warning: unused parameter ‘Foo’ [-Wunused-parameter] since r251320.

Patch by Joonghun Park <jh718.park@samsung.com> on 2019-10-21

* dom/Element.cpp:
(WebCore::shouldIgnoreMouseEvent):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@251359 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
index a91eba3..1d8ee5e 100644
--- a/Source/WebCore/ChangeLog
+++ b/Source/WebCore/ChangeLog
@@ -1,3 +1,10 @@
+2019-10-21  Joonghun Park  <jh718.park@samsung.com>
+
+        [GTK] Unreviewed. Fix build warning: unused parameter ‘Foo’ [-Wunused-parameter] since r251320.
+
+        * dom/Element.cpp:
+        (WebCore::shouldIgnoreMouseEvent):
+
 2019-10-20  Chris Dumez  <cdumez@apple.com>
 
         Unreviewed, drop debug logging that was inadvertently committed with r251327.
diff --git a/Source/WebCore/dom/Element.cpp b/Source/WebCore/dom/Element.cpp
index d1b47ea..e957505 100644
--- a/Source/WebCore/dom/Element.cpp
+++ b/Source/WebCore/dom/Element.cpp
@@ -336,6 +336,11 @@
             }
         }
     }
+#else
+    UNUSED_PARAM(element);
+    UNUSED_PARAM(mouseEvent);
+    UNUSED_PARAM(platformEvent);
+    UNUSED_PARAM(didNotSwallowEvent);
 #endif
 
     return false;