Gtk3 UI: Rename files in libgtkui containing gtk2 in their name

chrome/browser/ui/libgtkui/gtk_util.cc

Index: chrome/browser/ui/libgtkui/gtk_util.cc
diff --git a/chrome/browser/ui/libgtkui/gtk2_util.cc b/chrome/browser/ui/libgtkui/gtk_util.cc
similarity index 98%
rename from chrome/browser/ui/libgtkui/gtk2_util.cc
rename to chrome/browser/ui/libgtkui/gtk_util.cc
index 4ea77e0187d717e3deaac5d2f59b9dbae1246754..6b83e386e6f109608d19937329ffc16bbd265078 100644
--- a/chrome/browser/ui/libgtkui/gtk2_util.cc
+++ b/chrome/browser/ui/libgtkui/gtk_util.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/ui/libgtkui/gtk2_util.h"
+#include "chrome/browser/ui/libgtkui/gtk_util.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
@@ -36,7 +36,7 @@ void CommonInitFromCommandLine(const base::CommandLine& command_line,
     argv[i] = strdup(args[i].c_str());
   }
   argv[argc] = NULL;
-  char **argv_pointer = argv.get();
+  char** argv_pointer = argv.get();
 
   {
     // http://crbug.com/423873