Clean up remaining unused globals (on mac).

apps/shell_window_geometry_cache_unittest.cc

Index: apps/shell_window_geometry_cache_unittest.cc
diff --git a/apps/shell_window_geometry_cache_unittest.cc b/apps/shell_window_geometry_cache_unittest.cc
index 2b42d48d43afc87263cc74a6b01b582d1084a3b2..a4ecdc57e614dd1564cbe60ccb70c9e6a640d5af 100644
--- a/apps/shell_window_geometry_cache_unittest.cc
+++ b/apps/shell_window_geometry_cache_unittest.cc
@@ -13,12 +13,8 @@
 #include "content/public/test/test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace {
-  static const char kWindowId[] = "windowid";
-  static const char kWindowId2[] = "windowid2";
-
-  const char kWindowGeometryKey[] = "window_geometry";
-} // namespace
+const char kWindowId[] = "windowid";
+const char kWindowId2[] = "windowid2";
 
 using content::BrowserThread;