Scale the deltaX/deltaY on the mouse wheel events to be consistent with the compositor implementati…

third_party/WebKit/LayoutTests/fast/events/gesture-pinch-zoom-scroll-bubble.html

Index: third_party/WebKit/LayoutTests/fast/events/gesture-pinch-zoom-scroll-bubble.html
diff --git a/third_party/WebKit/LayoutTests/fast/events/gesture-pinch-zoom-scroll-bubble.html b/third_party/WebKit/LayoutTests/fast/events/gesture-pinch-zoom-scroll-bubble.html
index 2cb634ac965e4ebbe87bd73cb40b0ebf0c9ff025..d005541c4424689d275deab3dda7cb7c4b99cc5d 100644
--- a/third_party/WebKit/LayoutTests/fast/events/gesture-pinch-zoom-scroll-bubble.html
+++ b/third_party/WebKit/LayoutTests/fast/events/gesture-pinch-zoom-scroll-bubble.html
@@ -6,7 +6,7 @@ window.jsTestIsAsync = true;
 
 function testVerticalScroll() {
   // Do a purely vertical scroll. This will scroll contents only.
-  eventSender.continuousMouseScrollBy(0, -1);
+  eventSender.continuousMouseScrollBy(0, -2);
   shouldBecomeEqual('internals.visualViewportScrollX() == 200 && ' +
     'internals.visualViewportScrollY() == 301', 'true', testHorizontalScroll);
 }
@@ -14,7 +14,7 @@ function testVerticalScroll() {
 function testHorizontalScroll() {
   // Do a purely horizontal scroll. This will change pinch virtual viewport
   // offset only.
-  eventSender.continuousMouseScrollBy(-1, 0);
+  eventSender.continuousMouseScrollBy(-2, 0);
   shouldBecomeEqual('internals.visualViewportScrollX() == 201 && ' +
     'internals.visualViewportScrollY() == 301', 'true', testDiagonalScroll);
 }
@@ -23,7 +23,7 @@ function testDiagonalScroll() {
   // Do a diagonal scroll. This will scroll the contents, and then bubble the
   // result up to the visual viewport, where it will change the pinch
   // virtual viewport offset.
-  eventSender.continuousMouseScrollBy(2, 2);
+  eventSender.continuousMouseScrollBy(4, 4);
   shouldBecomeEqual('internals.visualViewportScrollX() == 199 && ' +
     'internals.visualViewportScrollY() == 299', 'true', finishJSTest);
 }