Introduce InfoBarTabService API.

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

Index: chrome/browser/ui/cocoa/infobars/infobar_controller.h
diff --git a/chrome/browser/ui/cocoa/infobars/infobar_controller.h b/chrome/browser/ui/cocoa/infobars/infobar_controller.h
index e3c18b28d29e34f08d2ecebc490cf91fdad38e48..1fc7b51c3df8fbeacf06947856d1ee117903f9de 100644
--- a/chrome/browser/ui/cocoa/infobars/infobar_controller.h
+++ b/chrome/browser/ui/cocoa/infobars/infobar_controller.h
@@ -10,7 +10,7 @@
 @class HoverCloseButton;
 @protocol InfoBarContainer;
 class InfoBarDelegate;
-class InfoBarTabHelper;
+class InfoBarTabService;
 @class InfoBarGradientView;
 
 // A controller for an infobar in the browser window.  There is one
@@ -20,7 +20,7 @@ class InfoBarTabHelper;
 @interface InfoBarController : NSViewController<NSTextViewDelegate> {
  @private
   id<InfoBarContainer> containerController_;  // weak, owns us
-  InfoBarTabHelper* owner_;  // weak
+  InfoBarTabService* owner_;  // weak
   BOOL infoBarClosing_;
 
  @protected
@@ -45,7 +45,7 @@ class InfoBarTabHelper;
 
 // Initializes a new InfoBarController.
 - (id)initWithDelegate:(InfoBarDelegate*)delegate
-                 owner:(InfoBarTabHelper*)owner;
+                 owner:(InfoBarTabService*)owner;
 
 // Returns YES if the infobar is owned.  If this is NO, it is not safe to call
 // any delegate functions, since they might attempt to access the owner.  Code