Replace screen capture confirmation infobar with a message box.

chrome/browser/media/media_capture_devices_dispatcher.h

Index: chrome/browser/media/media_capture_devices_dispatcher.h
diff --git a/chrome/browser/media/media_capture_devices_dispatcher.h b/chrome/browser/media/media_capture_devices_dispatcher.h
index 4acc58df390538f1166250dadba548a45c6d8405..84c86cd4fb38ca7dbcc0a076218edd2b8519b8f4 100644
--- a/chrome/browser/media/media_capture_devices_dispatcher.h
+++ b/chrome/browser/media/media_capture_devices_dispatcher.h
@@ -9,7 +9,9 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/observer_list.h"
+#include "chrome/browser/ui/screen_capture_confirmation_ui.h"
 #include "content/public/browser/media_observer.h"
+#include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/media_stream_request.h"
 
 class AudioStreamIndicator;
@@ -56,6 +58,11 @@ class MediaCaptureDevicesDispatcher : public content::MediaObserver {
   const content::MediaStreamDevices& GetAudioCaptureDevices();
   const content::MediaStreamDevices& GetVideoCaptureDevices();
 
+  void RequestAccess(
+      content::WebContents* web_contents,
+      const content::MediaStreamRequest& request,
+      const content::MediaResponseCallback& callback);
+
   // Helper to get the default devices which can be used by the media request,
   // if the return list is empty, it means there is no available device on the
   // OS.
@@ -117,6 +124,11 @@ class MediaCaptureDevicesDispatcher : public content::MediaObserver {
       const content::MediaStreamDevice& device,
       content::MediaRequestState state);
 
+  // Callback for ScreenCaptureConfirmationUI.
+  void OnScreenCaptureConfirmationResult(
+      const content::MediaResponseCallback& callback,
+      ScreenCaptureConfirmationUI::Result result);
+
   // A list of cached audio capture devices.
   content::MediaStreamDevices audio_devices_;
 
@@ -133,6 +145,8 @@ class MediaCaptureDevicesDispatcher : public content::MediaObserver {
   scoped_refptr<MediaStreamCaptureIndicator> media_stream_capture_indicator_;
 
   scoped_refptr<AudioStreamIndicator> audio_stream_indicator_;
+
+  scoped_ptr<ScreenCaptureConfirmationUI> screen_capture_confirmation_ui_;
 };
 
 #endif  // CHROME_BROWSER_MEDIA_MEDIA_CAPTURE_DEVICES_DISPATCHER_H_