Add CreateWithDisableAero, to allow Windows capturer to be created without disabling Aero.

media/video/capture/screen/screen_capture_device.cc

 // Copyright (c) 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 "media/video/capture/screen/screen_capture_device.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/sequenced_task_runner.h"
@@ skipping 258 matching lines @@
   DCHECK(task_runner_->RunsTasksOnCurrentThread());
 
   frame_rate_ = frame_rate;
 
   // Create and start frame capturer.
 #if defined(OS_CHROMEOS)
   // ScreenCapturerX11 polls by default, due to poor driver support for DAMAGE.
   // ChromeOS' drivers [can be patched to] support DAMAGE properly, so use it.
   if (!screen_capturer_)
     screen_capturer_ = ScreenCapturer::CreateWithXDamage(true);
+#elif defined(OS_WIN)
+  // ScreenCapturerWin disables Aero by default. We don't want it disabled for
+  // WebRTC screen capture, though.
+  if (!screen_capturer_)
+    screen_capturer_ = ScreenCapturer::CreateWithDisableAero(false);
 #else
   if (!screen_capturer_)
     screen_capturer_ = ScreenCapturer::Create();
 #endif
   if (screen_capturer_)
     screen_capturer_->Start(this);
 
   // Capture first frame, so that we can call OnFrameInfo() callback.
   waiting_for_frame_size_ = true;
   DoCapture();
@@ skipping 89 matching lines @@
 
 void ScreenCaptureDevice::DeAllocate() {
   core_->DeAllocate();
 }
 
 const VideoCaptureDevice::Name& ScreenCaptureDevice::device_name() {
   return name_;
 }
 
 }  // namespace media