fixed the distorted behavior on the mediastreaminfobar on Mac

chrome/browser/ui/cocoa/infobars/media_stream_infobar_controller.h

Index: chrome/browser/ui/cocoa/infobars/media_stream_infobar_controller.h
diff --git a/chrome/browser/ui/cocoa/infobars/media_stream_infobar_controller.h b/chrome/browser/ui/cocoa/infobars/media_stream_infobar_controller.h
index e6fdebf50a9665fe7da04673e51007e08577a769..f519e7a492990554b3e4f7d70947a0449fc2af7e 100644
--- a/chrome/browser/ui/cocoa/infobars/media_stream_infobar_controller.h
+++ b/chrome/browser/ui/cocoa/infobars/media_stream_infobar_controller.h
@@ -27,6 +27,8 @@ class MediaStreamInfoBarDelegate;
   scoped_nsobject<NSPopUpButton> deviceMenu_;
   // Menu model for MediaStream capture devices.
   scoped_ptr<MediaStreamDevicesMenuModel> deviceMenuModel_;
+  // Space between controls in pixels - read from the NIB.

[Scott Hess - ex-Googler, 2012/07/25 18:28:15]

maybe replace "read" with "generated" or "captured".  Initially I was like
"Wait, you can set float values in nibs?"

[no longer working on chromium, 2012/07/26 10:17:47]

Done.

+  CGFloat spaceBetweenControls_;
 }
 
 - (id)initWithDelegate:(MediaStreamInfoBarDelegate*)delegate