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

base/nix/mime_util_xdg.cc

Index: base/nix/mime_util_xdg.cc
diff --git a/base/nix/mime_util_xdg.cc b/base/nix/mime_util_xdg.cc
index 8d21d52357adb01af31aa29b36da4951873585cc..6cd5945d51a11dcfd688bb4a74aa74a25fa18cbc 100644
--- a/base/nix/mime_util_xdg.cc
+++ b/base/nix/mime_util_xdg.cc
@@ -31,13 +31,13 @@
 
 namespace {
 
+class IconTheme;
+
 // None of the XDG stuff is thread-safe, so serialize all access under
 // this lock.
-static base::LazyInstance<base::Lock>::Leaky
+base::LazyInstance<base::Lock>::Leaky
     g_mime_util_xdg_lock = LAZY_INSTANCE_INITIALIZER;
 
-class IconTheme;
-
 class MimeUtilConstants {
  public:
   typedef std::map<std::string, IconTheme*> IconThemeMap;