Mac InfoBar: Use cross platform infobar classes

chrome/browser/ui/cocoa/infobars/infobar_utilities.mm

Index: chrome/browser/ui/cocoa/infobars/infobar_utilities.mm
diff --git a/chrome/browser/ui/cocoa/infobars/infobar_utilities.mm b/chrome/browser/ui/cocoa/infobars/infobar_utilities.mm
index c5e5e63246cf047ac45acab998d47bedf595d8e7..964e1ed4321e00abea4baa206f276a9bce721f53 100644
--- a/chrome/browser/ui/cocoa/infobars/infobar_utilities.mm
+++ b/chrome/browser/ui/cocoa/infobars/infobar_utilities.mm
@@ -5,6 +5,7 @@
 #import "chrome/browser/ui/cocoa/infobars/infobar_utilities.h"
 
 #include "base/mac/scoped_nsobject.h"
+#import "chrome/browser/infobars/infobar.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_container_controller.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_gradient_view.h"
 
@@ -47,7 +48,7 @@ void VerticallyCenterView(NSView* toMove) {
   // rather than in the total height (which includes the bulge).
   CGFloat superHeight = NSHeight(superViewFrame);
   if ([[toMove superview] isKindOfClass:[InfoBarGradientView class]])
-    superHeight = infobars::kBaseHeight;
+    superHeight = InfoBar::kDefaultBarTargetHeight;
   viewFrame.origin.y =
       floor((superHeight - NSHeight(viewFrame)) / 2.0);
   [toMove setFrame:viewFrame];