Remove GestureEvent interface, and rename GestureEventImpl to GestureEvent.

ash/launcher/launcher_tooltip_manager_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 "ash/launcher/launcher_tooltip_manager.h"
 
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/shelf_layout_manager.h"
 #include "ash/wm/window_util.h"
 #include "base/string16.h"
@@ skipping 143 matching lines @@
 
   // Shouldn't hide if the touch happens on the tooltip.
   ShowImmediately();
   views::Widget* tooltip_widget = GetTooltipWidget();
   EXPECT_EQ(ui::TOUCH_STATUS_UNKNOWN,
             event_filter->PreHandleTouchEvent(
                 tooltip_widget->GetNativeWindow(), &touch_event));
   EXPECT_TRUE(TooltipIsVisible());
 
   // Should hide for gesture events.
-  ui::GestureEventImpl gesture_event(
+  ui::GestureEvent gesture_event(
       ui::ET_GESTURE_BEGIN, 0, 0, ui::EF_NONE, base::Time(),
       ui::GestureEventDetails(ui::ET_GESTURE_BEGIN, 0.0f, 0.0f), 0);
   EXPECT_EQ(ui::GESTURE_STATUS_UNKNOWN,
             event_filter->PreHandleGestureEvent(root_window, &gesture_event));
   RunAllPendingInMessageLoop();
   EXPECT_FALSE(TooltipIsVisible());
 }
 
 TEST_F(LauncherTooltipManagerTest, HideForMouseEvent) {
   ShowImmediately();
@@ skipping 15 matching lines @@
 
   // Should hide if the mouse is out of the tooltip.
   test_api.set_location(tooltip_rect.origin().Add(gfx::Point(-1, -1)));
   EXPECT_FALSE(event_filter->PreHandleMouseEvent(root_window, &mouse_event));
   RunAllPendingInMessageLoop();
   EXPECT_FALSE(TooltipIsVisible());
 }
 
 }  // namespace test
 }  // namespace ash