Expose fractional TouchEvent coordinates

LayoutTests/fast/events/touch/touch-coords-in-zoom-and-scroll.html

Index: LayoutTests/fast/events/touch/touch-coords-in-zoom-and-scroll.html
diff --git a/LayoutTests/fast/events/touch/touch-coords-in-zoom-and-scroll.html b/LayoutTests/fast/events/touch/touch-coords-in-zoom-and-scroll.html
index 14fc6d034356f8216092665d599eb5f2aaf2d1ed..4aabc58638242d7f2557514afddd8e1a4e44f955 100644
--- a/LayoutTests/fast/events/touch/touch-coords-in-zoom-and-scroll.html
+++ b/LayoutTests/fast/events/touch/touch-coords-in-zoom-and-scroll.html
@@ -12,6 +12,7 @@
 </div>
 <script>
     var event;
+    var floatPrecision = 0.00001;
 
     function sendTouchStart(x, y)
     {
@@ -67,10 +68,10 @@
     {
         event = e;
         debug("\nJust zoomed");
-        shouldBe("event.touches[0].clientX", "83");
-        shouldBe("event.touches[0].clientY", "83");
-        shouldBe("event.touches[0].pageX", "83");
-        shouldBe("event.touches[0].pageY", "83");
+        shouldBeCloseTo("event.touches[0].clientX", 83.33333, floatPrecision);
+        shouldBeCloseTo("event.touches[0].clientY", 83.33333, floatPrecision);
+        shouldBeCloseTo("event.touches[0].pageX", 83.33333, floatPrecision);
+        shouldBeCloseTo("event.touches[0].pageY", 83.33333, floatPrecision);
     }
     window.addEventListener("touchstart", justZoomed, false);
     zoomPageIn();
@@ -99,10 +100,10 @@
     {
         event = e;
         debug("\nZoomed and scrolled");
-        shouldBe("event.touches[0].clientX", "84");
-        shouldBe("event.touches[0].clientY", "84");
-        shouldBe("event.touches[0].pageX", "133");
-        shouldBe("event.touches[0].pageY", "133");
+        shouldBeCloseTo("event.touches[0].clientX", 83.33333, floatPrecision);
+        shouldBeCloseTo("event.touches[0].clientY", 83.33333, floatPrecision);
+        shouldBeCloseTo("event.touches[0].pageX", 133.33333, floatPrecision);
+        shouldBeCloseTo("event.touches[0].pageY", 133.33333, floatPrecision);
     }
     window.addEventListener("touchstart", zoomedAndScrolled, false);
     zoomPageIn();