Cleanup: Remove static storage for variables in an unnamed namespace.

printing/printing_context_gtk.cc

Index: printing/printing_context_gtk.cc
diff --git a/printing/printing_context_gtk.cc b/printing/printing_context_gtk.cc
index 88e57e662377ce3a55327110203ade7dcfcb8292..af97906de676deff5650bebbbb275a92a1a9dd58 100644
--- a/printing/printing_context_gtk.cc
+++ b/printing/printing_context_gtk.cc
@@ -15,10 +15,12 @@
 #include "printing/units.h"
 
 namespace {
-  // Function pointer for creating print dialogs. |callback| is only used when
-  // |show_dialog| is true.
-  static printing::PrintDialogGtkInterface* (*create_dialog_func_)(
-      printing::PrintingContextGtk* context) = NULL;
+
+// Function pointer for creating print dialogs. |callback| is only used when
+// |show_dialog| is true.
+printing::PrintDialogGtkInterface* (*create_dialog_func_)(
+    printing::PrintingContextGtk* context) = NULL;
+
 }  // namespace
 
 namespace printing {