WebUI: Get rid of more references to DOMUI in the rest of the directories.

chrome/browser/dom_ui/web_ui.h

Index: chrome/browser/dom_ui/web_ui.h
diff --git a/chrome/browser/dom_ui/web_ui.h b/chrome/browser/dom_ui/web_ui.h
index d784defd860fdf4758c7c64993f37228cd298af8..aa95eda09f0340acae1a3c91c81bbc42db3aaeaf 100644
--- a/chrome/browser/dom_ui/web_ui.h
+++ b/chrome/browser/dom_ui/web_ui.h
@@ -183,11 +183,6 @@ class WebUI {
   DISALLOW_COPY_AND_ASSIGN(WebUI);
 };
 
-// TODO(tfarina): Remove this when all the references to DOMUI class are fixed.
-// This is temporary until we can rename all the entries to WebUI.
-// See crbug.com/59945 for more information.
-typedef WebUI DOMUI;
-
 // Messages sent from the DOM are forwarded via the WebUI to handler
 // classes. These objects are owned by WebUI and destroyed when the
 // host is destroyed.