Allow postponed rail application for touch scrolling - blink side.

Source/web/tests/WebInputEventConversionTest.cpp

Index: Source/web/tests/WebInputEventConversionTest.cpp
diff --git a/Source/web/tests/WebInputEventConversionTest.cpp b/Source/web/tests/WebInputEventConversionTest.cpp
index 669e9c363ca8e60463c9c3be3ba8145219928ff5..496ceb2eeb344c1e465db2e0c644fd5ab8cea2d7 100644
--- a/Source/web/tests/WebInputEventConversionTest.cpp
+++ b/Source/web/tests/WebInputEventConversionTest.cpp
@@ -269,6 +269,7 @@ TEST(WebInputEventConversionTest, InputEventsScaling)
         webGestureEvent.data.scrollUpdate.velocityY = 42;
         webGestureEvent.data.scrollUpdate.inertial = true;
         webGestureEvent.data.scrollUpdate.preventPropagation = true;
+        webGestureEvent.data.scrollUpdate.railsMode = WebInputEvent::RailsModeVertical;
 
         PlatformGestureEventBuilder platformGestureBuilder(view, webGestureEvent);
         EXPECT_EQ(5, platformGestureBuilder.position().x());
@@ -283,6 +284,8 @@ TEST(WebInputEventConversionTest, InputEventsScaling)
         EXPECT_EQ(42, platformGestureBuilder.velocityY());
         EXPECT_TRUE(platformGestureBuilder.inertial());
         EXPECT_TRUE(platformGestureBuilder.preventPropagation());
+        EXPECT_EQ(PlatformEvent::RailsModeVertical,
+            platformGestureBuilder.railsMode());
     }
 
     {
@@ -420,9 +423,10 @@ TEST(WebInputEventConversionTest, InputEventsScaling)
     {
         PlatformGestureEvent platformGestureEvent(PlatformEvent::GestureScrollUpdate, IntPoint(10, 12), IntPoint(20, 22), IntSize(25, 27), 0,
             false, false, false, false);
-        platformGestureEvent.setScrollGestureData(30, 32, 40, 42, true, true);
+        platformGestureEvent.setScrollGestureData(
+            30, 32, 40, 42, true, true, PlatformEvent::RailsModeHorizontal);
         // FIXME: GestureEvent does not preserve velocityX, velocityY,
-        // preventPropagation, or inertial. It also fails to scale
+        // preventPropagation, inertial, or railsMode. It also fails to scale
         // coordinates (x, y, deltaX, deltaY) to the page scale. This
         // may lead to unexpected bugs if a PlatformGestureEvent is
         // transformed into WebGestureEvent and back.
@@ -439,6 +443,8 @@ TEST(WebInputEventConversionTest, InputEventsScaling)
         EXPECT_EQ(0, webGestureBuilder.data.scrollUpdate.velocityY);
         EXPECT_FALSE(webGestureBuilder.data.scrollUpdate.inertial);
         EXPECT_FALSE(webGestureBuilder.data.scrollUpdate.preventPropagation);
+        EXPECT_EQ(WebInputEvent::RailsModeFree,
+            webGestureBuilder.data.scrollUpdate.railsMode);
     }
 
     {