Allow postponed rail application for touch scrolling - blink side.

Source/web/WebInputEvent.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 37 matching lines @@
 
 struct SameSizeAsWebMouseEvent : public SameSizeAsWebInputEvent {
     int mouseData[10];
 };
 
 struct SameSizeAsWebMouseWheelEvent : public SameSizeAsWebMouseEvent {
     int mousewheelData[11];
 };
 
 struct SameSizeAsWebGestureEvent : public SameSizeAsWebInputEvent {
-    int gestureData[10];
+    int gestureData[11];

[Ken Russell (switch to Gerrit), 2015/04/01 18:33:12]

This magic constant is awful. Can you figure out a way to compute or define it
differently?

 };
 
 struct SameSizeAsWebTouchEvent : public SameSizeAsWebInputEvent {
     WebTouchPoint touchPoints[WebTouchEvent::touchesLengthCap];
     int touchData[4];
 };
 
 static_assert(sizeof(WebInputEvent) == sizeof(SameSizeAsWebInputEvent), "WebInputEvent should not have gaps");
 static_assert(sizeof(WebKeyboardEvent) == sizeof(SameSizeAsWebKeyboardEvent), "WebKeyboardEvent should not have gaps");
 static_assert(sizeof(WebMouseEvent) == sizeof(SameSizeAsWebMouseEvent), "WebMouseEvent should not have gaps");
@@ skipping 160 matching lines @@
     case VK_RSHIFT:
     case VK_RMENU:
     case VK_RWIN:
         return IsRight;
     default:
         return 0;
     }
 }
 
 } // namespace blink