Revert of Move DefaultActivationClient to wm/core

ui/aura/test/aura_test_helper.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_helper.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "ui/aura/client/aura_constants.h"
+#include "ui/aura/client/default_activation_client.h"
 #include "ui/aura/client/default_capture_client.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/input_state_lookup.h"
 #include "ui/aura/test/env_test_helper.h"
 #include "ui/aura/test/test_focus_client.h"
 #include "ui/aura/test/test_screen.h"
 #include "ui/aura/test/test_window_tree_client.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/ime/dummy_input_method.h"
@@ skipping 43 matching lines @@
 
   ui::InitializeInputMethodForTesting();
 
   test_screen_.reset(TestScreen::Create());
   gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, test_screen_.get());
   host_.reset(test_screen_->CreateHostForPrimaryDisplay());
 
   focus_client_.reset(new TestFocusClient);
   client::SetFocusClient(root_window(), focus_client_.get());
   stacking_client_.reset(new TestWindowTreeClient(root_window()));
+  activation_client_.reset(
+      new client::DefaultActivationClient(root_window()));
   capture_client_.reset(new client::DefaultCaptureClient(root_window()));
   test_input_method_.reset(new ui::DummyInputMethod);
   root_window()->SetProperty(
       client::kRootWindowInputMethodKey,
       test_input_method_.get());
 
   root_window()->Show();
   // Ensure width != height so tests won't confuse them.
   host()->SetBounds(gfx::Rect(800, 600));
 }
 
 void AuraTestHelper::TearDown() {
   teardown_called_ = true;
   test_input_method_.reset();
   stacking_client_.reset();
+  activation_client_.reset();
   capture_client_.reset();
   focus_client_.reset();
   client::SetFocusClient(root_window(), NULL);
   host_.reset();
   ui::GestureRecognizer::Reset();
   test_screen_.reset();
   gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, NULL);
 
 #if defined(USE_X11)
   ui::ResetXCursorCache();
 #endif
 
   ui::ShutdownInputMethodForTesting();
 
   Env::DeleteInstance();
 }
 
 void AuraTestHelper::RunAllPendingInMessageLoop() {
   // TODO(jbates) crbug.com/134753 Find quitters of this RunLoop and have them
   //              use run_loop.QuitClosure().
   base::RunLoop run_loop;
   run_loop.RunUntilIdle();
 }
 
 }  // namespace test
 }  // namespace aura