Adds extension name to the screencast notification bar.

chrome/browser/ui/cocoa/media_picker/desktop_media_picker_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_MEDIA_PICKER_DESKTOP_MEDIA_PICKER_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_MEDIA_PICKER_DESKTOP_MEDIA_PICKER_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 #import <Quartz/Quartz.h>
 
@@ skipping 34 matching lines @@
   // notifications to this object.
   scoped_ptr<DesktopMediaPickerBridge> bridge_;
 
   // Used to create |DesktopMediaPickerItem|s with unique IDs.
   int lastImageUID_;
 }
 
 // Designated initializer.
 // To show the dialog, use |NSWindowController|'s |showWindow:|.
 // |callback| will be called to report the user's selection.
-// |appName| will be used to format the dialog's title and the label.
+// |appName| will be used to format the dialog's title and the label, where it
+// appears as the initiator of the request.
+// |targetName| will be used to format the dialog's label and appear as the
+// consumer of the requested stream.
 - (id)initWithMediaList:(scoped_ptr<DesktopMediaList>)media_list
                  parent:(NSWindow*)parent
                callback:(const DesktopMediaPicker::DoneCallback&)callback
-                appName:(const base::string16&)appName;
+                appName:(const base::string16&)appName
+             targetName:(const base::string16&)targetName;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_MEDIA_PICKER_DESKTOP_MEDIA_PICKER_CONTROLLER_H_