Add key based scrolling on magnified screen for kiosk mode.

ui/aura/test/event_generator.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 "ui/aura/test/event_generator.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/gfx/vector2d_conversions.h"
 
 #if defined(USE_X11)
 #include <X11/Xlib.h>
 #include "ui/base/x/x11_util.h"
+#include "ui/events/event_utils.h"
+#include "ui/events/test/events_test_utils_x11.h"
 #endif
 
 #if defined(OS_WIN)
 #include "ui/events/keycodes/keyboard_code_conversion.h"
 #endif
 
 namespace aura {
 namespace test {
 namespace {
 
@@ skipping 459 matching lines @@
     TestKeyEvent keyev(native_event, flags, false);
     Dispatch(&keyev);
     // On Windows, WM_KEYDOWN event is followed by WM_CHAR with a character
     // if the key event cooresponds to a real character.
     key_press = WM_CHAR;
     key_code = static_cast<ui::KeyboardCode>(character);
   }
   MSG native_event =
       { NULL, (is_press ? key_press : WM_KEYUP), key_code, 0 };
   TestKeyEvent keyev(native_event, flags, key_press == WM_CHAR);
+#elif defined(USE_X11)
+  ui::ScopedXI2Event xevent;
+  xevent.InitKeyEvent(is_press ? ui::ET_KEY_PRESSED : ui::ET_KEY_RELEASED,
+                      key_code,
+                      flags);
+  ui::KeyEvent keyev(xevent, false);
 #else
   ui::EventType type = is_press ? ui::ET_KEY_PRESSED : ui::ET_KEY_RELEASED;
   ui::KeyEvent keyev(type, key_code, flags, false);
 #endif  // OS_WIN
   Dispatch(&keyev);
 }
 
 void EventGenerator::UpdateCurrentRootWindow(const gfx::Point& point) {
   current_root_window_ = delegate_->GetRootWindowAt(point);
 }
@@ skipping 94 matching lines @@
     base::MessageLoopProxy::current()->PostTask(
         FROM_HERE,
         base::Bind(&EventGenerator::DispatchNextPendingEvent,
                    base::Unretained(this)));
   }
 }
 
 
 }  // namespace test
 }  // namespace aura