Adds extension name to the screencast notification bar.

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

Index: chrome/browser/ui/cocoa/media_picker/desktop_media_picker_controller.h
diff --git a/chrome/browser/ui/cocoa/media_picker/desktop_media_picker_controller.h b/chrome/browser/ui/cocoa/media_picker/desktop_media_picker_controller.h
index ea5eecff41112f741bd0b5bcbcf91818a2a994a5..9360205e75f99fb05281f2d1be0b3483c6b1e6c0 100644
--- a/chrome/browser/ui/cocoa/media_picker/desktop_media_picker_controller.h
+++ b/chrome/browser/ui/cocoa/media_picker/desktop_media_picker_controller.h
@@ -52,11 +52,15 @@
 // 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