Disable fractional scroll feature by default

third_party/WebKit/LayoutTests/fast/events/scale-and-scroll-div.html

Index: third_party/WebKit/LayoutTests/fast/events/scale-and-scroll-div.html
diff --git a/third_party/WebKit/LayoutTests/fast/events/scale-and-scroll-div.html b/third_party/WebKit/LayoutTests/fast/events/scale-and-scroll-div.html
index 07ced471a480a743cc3722b51c909e81ba3a9066..05fd4ba3dd65303723dd0f0870681db65b92795b 100644
--- a/third_party/WebKit/LayoutTests/fast/events/scale-and-scroll-div.html
+++ b/third_party/WebKit/LayoutTests/fast/events/scale-and-scroll-div.html
@@ -27,7 +27,7 @@
       var scrollDistance = 10;
       var expectedScrollDistance;
       var scrollBox;
-      var integerScrollOffset = false;
+      var integerScrollOffset = true;
 
       function scroll(scaleFactor) {
           if (integerScrollOffset)
@@ -88,12 +88,10 @@
          if (window.eventSender && window.internals) {
             description('This tests that a div scrolled by gesture touch while the page is scaled still scrolls at the rate of the touch');
 
-            window.internals.settings.setPreferCompositingToLCDTextEnabled(true);
-            integerScrollOffset = false;
-            test();
-
-            window.internals.settings.setPreferCompositingToLCDTextEnabled(false);
-            integerScrollOffset = true;
+            if (window.internals.runtimeFlags.fractionalScrollOffsetsEnabled) {
+                window.internals.settings.setPreferCompositingToLCDTextEnabled(true);
+                integerScrollOffset = false;
+            }
             test();
 
           } else {