Replace screen capture confirmation infobar with a message box.

chrome/browser/media/media_stream_capture_indicator.h

Index: chrome/browser/media/media_stream_capture_indicator.h
diff --git a/chrome/browser/media/media_stream_capture_indicator.h b/chrome/browser/media/media_stream_capture_indicator.h
index fa4823120122587eb4e938621af5146c0fef40a8..a08797379a160e4fce6766ea4075bde31583cd94 100644
--- a/chrome/browser/media/media_stream_capture_indicator.h
+++ b/chrome/browser/media/media_stream_capture_indicator.h
@@ -11,6 +11,7 @@
 #include <vector>
 
 #include "base/memory/ref_counted.h"
+#include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/media_stream_request.h"
 #include "ui/base/models/simple_menu_model.h"
 
@@ -41,6 +42,12 @@ class MediaStreamCaptureIndicator
       ui::Accelerator* accelerator) OVERRIDE;
   virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
 
+  // Called to handle access request.
+  void RequestAccess(
+      content::WebContents* web_contents,
+      const content::MediaStreamRequest& request,
+      const content::MediaResponseCallback& callback);
+
   // Called on IO thread when MediaStream opens new capture devices.
   void CaptureDevicesOpened(int render_process_id,
                             int render_view_id,