gtk: Move the remaining infobar files into the new infobars directory.

BUG=None
TEST=trybots

Review URL: http://codereview.chromium.org/6246038

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@73397 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 89a06d6..f563a88 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -2998,12 +2998,12 @@
         'browser/ui/gtk/info_bubble_accelerators_gtk.h',
         'browser/ui/gtk/info_bubble_gtk.cc',
         'browser/ui/gtk/info_bubble_gtk.h',
-        'browser/ui/gtk/infobar_container_gtk.cc',
-        'browser/ui/gtk/infobar_container_gtk.h',
-        'browser/ui/gtk/infobar_gtk.cc',
-        'browser/ui/gtk/infobar_gtk.h',
         'browser/ui/gtk/infobars/infobar_arrow_model.cc',
         'browser/ui/gtk/infobars/infobar_arrow_model.h',
+        'browser/ui/gtk/infobars/infobar_container_gtk.cc',
+        'browser/ui/gtk/infobars/infobar_container_gtk.h',
+        'browser/ui/gtk/infobars/infobar_gtk.cc',
+        'browser/ui/gtk/infobars/infobar_gtk.h',
         'browser/ui/gtk/instant_confirm_dialog_gtk.cc',
         'browser/ui/gtk/instant_confirm_dialog_gtk.h',
         'browser/ui/gtk/js_modal_dialog_gtk.cc',