Extract touchscreen device management into a generic manager

ui/aura/test/aura_test_base.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/aura_test_base.h"
 
 #include "ui/aura/client/window_tree_client.h"
 #include "ui/aura/test/aura_test_helper.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/window.h"
@@ skipping 14 matching lines @@
 AuraTestBase::~AuraTestBase() {
   CHECK(setup_called_)
       << "You have overridden SetUp but never called super class's SetUp";
   CHECK(teardown_called_)
       << "You have overridden TearDown but never called super class's TearDown";
 }
 
 void AuraTestBase::SetUp() {
   setup_called_ = true;
   testing::Test::SetUp();
+  // Object registers itself with AtExitManager

[sadrul, 2014/06/16 14:48:38]

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   ui::InitializeInputMethodForTesting();
 
   // Changing the parameters for gesture recognition shouldn't cause
   // tests to fail, so we use a separate set of parameters for unit
   // testing.
   ui::GestureConfiguration::set_long_press_time_in_seconds(1.0);
   ui::GestureConfiguration::set_semi_long_press_time_in_seconds(0.4);
   ui::GestureConfiguration::set_show_press_delay_in_ms(5);
   ui::GestureConfiguration::set_max_distance_for_two_finger_tap_in_pixels(300);
   ui::GestureConfiguration::set_max_seconds_between_double_click(0.7);
@@ skipping 71 matching lines @@
 
 bool AuraTestBase::DispatchEventUsingWindowDispatcher(ui::Event* event) {
   ui::EventDispatchDetails details =
       event_processor()->OnEventFromSource(event);
   CHECK(!details.dispatcher_destroyed);
   return event->handled();
 }
 
 }  // namespace test
 }  // namespace aura