Call didProgrammaticallyScroll only when ProgrammaticScrollNotifications is enabled, which is an ex…

Source/WebKit/chromium/tests/ProgrammaticScrollTest.cpp

Index: Source/WebKit/chromium/tests/ProgrammaticScrollTest.cpp
diff --git a/Source/WebKit/chromium/tests/ProgrammaticScrollTest.cpp b/Source/WebKit/chromium/tests/ProgrammaticScrollTest.cpp
index 3068c1b6eacfb1ebe5370cb42fbd76d7464f1888..9d65d794af67a2407f211d99f805a3d58aba7ec8 100644
--- a/Source/WebKit/chromium/tests/ProgrammaticScrollTest.cpp
+++ b/Source/WebKit/chromium/tests/ProgrammaticScrollTest.cpp
@@ -2,6 +2,7 @@
 
 #include <gtest/gtest.h>
 #include "FrameTestHelpers.h"
+#include "RuntimeEnabledFeatures.h"
 #include "URLTestHelpers.h"
 #include "WebFrame.h"
 #include "WebFrameClient.h"
@@ -33,6 +34,11 @@ public:
     {
     }
 
+    virtual void SetUp()
+    {
+        RuntimeEnabledFeatures::setProgrammaticScrollNotificationsEnabled(true);
+    }
+
     virtual void TearDown()
     {
         Platform::current()->unitTestSupport()->unregisterAllMockedURLs();