Revert of Move DefaultActivationClient to wm/core

content/browser/media/capture/desktop_capture_device_aura_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 "content/browser/media/capture/desktop_capture_device_aura.h"
 
 #include "base/synchronization/waitable_event.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/public/browser/desktop_media_id.h"
 #include "media/video/capture/video_capture_types.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.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"
 #include "ui/compositor/test/context_factories_for_test.h"
-#include "ui/wm/core/default_activation_client.h"
 
 using ::testing::_;
 using ::testing::AnyNumber;
 using ::testing::DoAll;
 using ::testing::Expectation;
 using ::testing::InvokeWithoutArgs;
 using ::testing::SaveArg;
 
 namespace media {
 class VideoFrame;
@@ skipping 30 matching lines @@
       : browser_thread_for_ui_(BrowserThread::UI, &message_loop_) {}
   virtual ~DesktopCaptureDeviceAuraTest() {}
 
  protected:
   virtual void SetUp() OVERRIDE {
     // The ContextFactory must exist before any Compositors are created.
     bool enable_pixel_output = false;
     ui::InitializeContextFactoryForTests(enable_pixel_output);
     helper_.reset(new aura::test::AuraTestHelper(&message_loop_));
     helper_->SetUp();
-    new wm::DefaultActivationClient(helper_->root_window());
 
     // We need a window to cover desktop area so that DesktopCaptureDeviceAura
     // can use gfx::NativeWindow::GetWindowAtScreenPoint() to locate the
     // root window associated with the primary display.
     gfx::Rect desktop_bounds = root_window()->bounds();
     window_delegate_.reset(new aura::test::TestWindowDelegate());
     desktop_window_.reset(new aura::Window(window_delegate_.get()));
     desktop_window_->Init(aura::WINDOW_LAYER_TEXTURED);
     desktop_window_->SetBounds(desktop_bounds);
     aura::client::ParentWindowWithContext(
@@ skipping 35 matching lines @@
   capture_params.requested_format.frame_rate = kFrameRate;
   capture_params.requested_format.pixel_format = media::PIXEL_FORMAT_I420;
   capture_params.allow_resolution_change = false;
   capture_device->AllocateAndStart(
       capture_params, client.PassAs<media::VideoCaptureDevice::Client>());
   capture_device->StopAndDeAllocate();
 }
 
 }  // namespace
 }  // namespace content