Allow postponed rail application for touch scrolling - blink side.

Source/web/tests/PinchViewportTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "core/frame/PinchViewport.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/FrameHost.h"
@@ skipping 1580 matching lines @@
 
     EXPECT_POINT_EQ(FloatPoint(300, 200), pinchViewport.location());
 
     // Send a scroll event on the main thread path.
     PlatformGestureEvent gsu(
         PlatformEvent::GestureScrollUpdate,
         IntPoint(0, 0),
         IntPoint(0, 0),
         IntSize(5, 5),
         0, false, false, false, false);
-    gsu.setScrollGestureData(-50, -60, 1, 1, false, false);
+    gsu.setScrollGestureData(-50, -60, 1, 1, false, false, PlatformEvent::RailsModeFree);
 
     frame()->eventHandler().handleGestureEvent(gsu);
 
     // The scroll sent from the impl-side must not be overwritten.
     EXPECT_POINT_EQ(FloatPoint(350, 260), pinchViewport.location());
 }
 
 static void accessibilitySettings(WebSettings* settings)
 {
     PinchViewportTest::configureSettings(settings);
@@ skipping 54 matching lines @@
     EXPECT_FLOAT_POINT_EQ(FloatPoint(81, 100.8), pinchViewport.rootFrameToViewport(FloatPoint(50.5, 62.4)));
 
 
     // Scrolling the main frame should have no effect.
     frameView.scrollTo(DoublePoint(100, 120));
     EXPECT_FLOAT_POINT_EQ(FloatPoint(50, 62), pinchViewport.viewportToRootFrame(FloatPoint(80, 100)));
     EXPECT_FLOAT_POINT_EQ(FloatPoint(80, 100), pinchViewport.rootFrameToViewport(FloatPoint(50, 62)));
 }
 
 } // namespace