Add ability for EventGenerator to generate Scroll events asynchronously

ui/views/widget/widget_unittest.cc

 // Copyright (c) 2012 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 "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/base/events/event_utils.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/point.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/controls/textfield/textfield.h"
 #include "ui/views/test/test_views_delegate.h"
 #include "ui/views/test/views_test_base.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/native_widget_delegate.h"
 
 #if defined(USE_AURA)
@@ skipping 1263 matching lines @@
   Widget* widget = CreateTopLevelPlatformWidget();
   widget->GetRootView()->AddChildView(focused_view);
   widget->GetRootView()->AddChildView(cursor_view);
 
   focused_view->RequestFocus();
   EXPECT_TRUE(focused_view->HasFocus());
 
   // Generate a scroll event on the cursor view. The focused view will receive a
   // wheel event, but since it doesn't process the event, the view under the
   // cursor will receive the wheel event.
-  ui::ScrollEvent scroll(ui::ET_SCROLL, gfx::Point(65, 5), 0, 0, 20);
+  ui::ScrollEvent scroll(ui::ET_SCROLL,
+                         gfx::Point(65, 5),
+                         ui::EventTimeForNow(),
+                         0,
+                         0,
+                         20,
+                         2);
   widget->OnScrollEvent(&scroll);
 
   EXPECT_EQ(0, focused_view->GetEventCount(ui::ET_SCROLL));
   EXPECT_EQ(1, focused_view->GetEventCount(ui::ET_MOUSEWHEEL));
 
   EXPECT_EQ(1, cursor_view->GetEventCount(ui::ET_SCROLL));
   EXPECT_EQ(1, cursor_view->GetEventCount(ui::ET_MOUSEWHEEL));
 
   focused_view->ResetCounts();
   cursor_view->ResetCounts();
 
-  ui::ScrollEvent scroll2(ui::ET_SCROLL, gfx::Point(5, 5), 0, 0, 20);
+  ui::ScrollEvent scroll2(ui::ET_SCROLL,
+                          gfx::Point(5, 5),
+                          ui::EventTimeForNow(),
+                          0,
+                          0,
+                          20,
+                          2);
   widget->OnScrollEvent(&scroll2);
   EXPECT_EQ(1, focused_view->GetEventCount(ui::ET_SCROLL));
   EXPECT_EQ(1, focused_view->GetEventCount(ui::ET_MOUSEWHEEL));
 
   EXPECT_EQ(0, cursor_view->GetEventCount(ui::ET_SCROLL));
   EXPECT_EQ(0, cursor_view->GetEventCount(ui::ET_MOUSEWHEEL));
 
   widget->CloseNow();
 }
 
@@ skipping 54 matching lines @@
     EXPECT_EQ(1, scroll_view->GetEventCount(ui::ET_GESTURE_SCROLL_BEGIN));
     EXPECT_EQ(1, scroll_view->GetEventCount(ui::ET_GESTURE_SCROLL_UPDATE));
     EXPECT_EQ(1, scroll_view->GetEventCount(ui::ET_GESTURE_SCROLL_END));
   }
 
   widget->CloseNow();
 }
 
 }  // namespace
 }  // namespace views