Add constructors to WebInputEvents and setters so we can work at cleaning up these public structs.

third_party/WebKit/Source/web/tests/FrameTestHelpers.cpp

 /*
  * Copyright (C) 2011 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 140 matching lines @@
   Platform::current()->currentThread()->getWebTaskRunner()->postTask(
       BLINK_FROM_HERE, WTF::bind(&runServeAsyncRequestsTask,
                                  WTF::unretained(testClientForFrame(frame))));
   testing::enterRunLoop();
 }
 
 WebMouseEvent createMouseEvent(WebInputEvent::Type type,
                                WebMouseEvent::Button button,
                                const IntPoint& point,
                                int modifiers) {
-  WebMouseEvent result;
-  result.type = type;
+  WebMouseEvent result(type, modifiers, WebInputEvent::TimeStampForTesting);
   result.x = result.windowX = result.globalX = point.x();
   result.y = result.windowX = result.globalX = point.y();
-  result.modifiers = modifiers;
   result.button = button;
   result.clickCount = 1;
   return result;
 }
 
 WebLocalFrameImpl* createLocalChild(WebRemoteFrame* parent,
                                     const WebString& name,
                                     WebFrameClient* client,
                                     WebWidgetClient* widgetClient,
                                     WebFrame* previousSibling,
@@ skipping 163 matching lines @@
   m_testWebViewClient->scheduleAnimation();
 }
 
 void TestWebViewWidgetClient::didMeaningfulLayout(
     WebMeaningfulLayout layoutType) {
   m_testWebViewClient->didMeaningfulLayout(layoutType);
 }
 
 }  // namespace FrameTestHelpers
 }  // namespace blink