Changes MouseEvent constructor to take changed_button_flags.

ash/wm/sticky_keys_unittest.cc

 // Copyright 2013 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/wm/sticky_keys.h"
 
 #include <X11/Xlib.h>
 #undef None
 #undef Bool
 #undef RootWindow
@@ skipping 217 matching lines @@
     dispatcher.set_target(target_);
     return event;
   }
 
   // Creates a synthesized MouseEvent that is not backed by a native event.
   ui::MouseEvent* GenerateSynthesizedMouseEvent(bool is_button_press) {
     ui::MouseEvent* event = new ui::MouseEvent(
         is_button_press ? ui::ET_MOUSE_PRESSED : ui::ET_MOUSE_RELEASED,
         gfx::Point(0, 0),
         gfx::Point(0, 0),
+        ui::EF_LEFT_MOUSE_BUTTON,
         ui::EF_LEFT_MOUSE_BUTTON);
     ui::Event::DispatcherApi dispatcher(event);
     dispatcher.set_target(target_);
     return event;
   }
 
   void SendActivateStickyKeyPattern(StickyKeysHandler* handler,
                                     ui::KeyboardCode key_code) {
     scoped_ptr<ui::KeyEvent> ev;
     ev.reset(GenerateKey(true, key_code));
@@ skipping 619 matching lines @@
             static_cast<ui::MouseWheelEvent*>(events[0])->y_offset());
   EXPECT_TRUE(events[0]->flags() & ui::EF_CONTROL_DOWN);
   EXPECT_EQ(ui::ET_KEY_RELEASED, events[1]->type());
   EXPECT_EQ(ui::VKEY_CONTROL,
             static_cast<ui::KeyEvent*>(events[1])->key_code());
 
   Shell::GetInstance()->RemovePreTargetHandler(&buffer);
 }
 
 }  // namespace ash