Keep track of coalesced events in main thread event queue

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

 /*
  * Copyright (C) 2015 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 80 matching lines @@
     settings->setShrinksViewportContentToFit(true);
     settings->setMainFrameResizesAreOrientationChanges(true);
   }
 
   void registerMockedHttpURLLoad(const std::string& fileName) {
     URLTestHelpers::registerMockedURLFromBaseURL(
         WebString::fromUTF8(m_baseURL.c_str()),
         WebString::fromUTF8(fileName.c_str()));
   }
 
-  WebGestureEvent generateEvent(WebInputEvent::Type type,
-                                int deltaX = 0,
-                                int deltaY = 0) {
+  WebCoalescedInputEvent generateEvent(WebInputEvent::Type type,
+                                       int deltaX = 0,
+                                       int deltaY = 0) {
     WebGestureEvent event(type, WebInputEvent::NoModifiers,
                           WebInputEvent::TimeStampForTesting);
     event.sourceDevice = WebGestureDeviceTouchscreen;
     event.x = 100;
     event.y = 100;
     if (type == WebInputEvent::GestureScrollUpdate) {
       event.data.scrollUpdate.deltaX = deltaX;
       event.data.scrollUpdate.deltaY = deltaY;
     }
-    return event;
+    return WebCoalescedInputEvent(event);
   }
 
   void verticalScroll(float deltaY) {
     webViewImpl()->handleInputEvent(
         generateEvent(WebInputEvent::GestureScrollBegin));
     webViewImpl()->handleInputEvent(
         generateEvent(WebInputEvent::GestureScrollUpdate, 0, deltaY));
     webViewImpl()->handleInputEvent(
         generateEvent(WebInputEvent::GestureScrollEnd));
   }
@@ skipping 875 matching lines @@
     view->setScrollOffset(view->getScrollOffset(), ProgrammaticScroll);
 
     ASSERT_EQ(80.f, webView->browserControls().contentOffset());
     EXPECT_EQ(expectedRootOffset, rootViewport->getScrollOffset().height());
 
     webView->handleInputEvent(generateEvent(WebInputEvent::GestureScrollEnd));
   }
 }
 
 }  // namespace blink