Move Infobars core files to the Infobars component

chrome/browser/google/google_url_tracker.h

Index: chrome/browser/google/google_url_tracker.h
diff --git a/chrome/browser/google/google_url_tracker.h b/chrome/browser/google/google_url_tracker.h
index e4b5e9f33b2a2dc467853aba091df6d874d3577b..ab930003369eb8a6b51b4177d195f2914145e5b8 100644
--- a/chrome/browser/google/google_url_tracker.h
+++ b/chrome/browser/google/google_url_tracker.h
@@ -21,7 +21,6 @@
 #include "url/gurl.h"
 
 class GoogleURLTrackerNavigationHelper;
-class InfoBar;
 class PrefService;
 class Profile;
 
@@ -29,6 +28,10 @@ namespace content {
 class NavigationController;
 }
 
+namespace infobars {
+class InfoBar;
+}
+
 // This object is responsible for checking the Google URL once per network
 // change, and if necessary prompting the user to see if they want to change to
 // using it.  The current and last prompted values are saved to prefs.
@@ -179,7 +182,8 @@ class GoogleURLTracker : public net::URLFetcherDelegate,
   // Creates an infobar and adds it to the provided InfoBarService.  Returns the
   // infobar on success or NULL on failure.  The caller does not own the
   // returned object, the InfoBarService does.
-  base::Callback<InfoBar*(InfoBarService*, GoogleURLTracker*, const GURL&)>
+  base::Callback<
+      infobars::InfoBar*(InfoBarService*, GoogleURLTracker*, const GURL&)>
       infobar_creator_;
 
   GURL google_url_;