Remove more unnamed namespace usages.

tools/picture_utils.cpp

Index: tools/picture_utils.cpp
diff --git a/tools/picture_utils.cpp b/tools/picture_utils.cpp
index 7a5e156fb23173aa2e3a31bb3d46cd20451363f6..ee189ad7855cfa90683b4463197ee05ce20d0d0f 100644
--- a/tools/picture_utils.cpp
+++ b/tools/picture_utils.cpp
@@ -12,6 +12,14 @@
 #include "SkString.h"
 #include "SkStream.h"
 
+static bool is_path_seperator(const char chr) {
+#if defined(SK_BUILD_FOR_WIN)
+    return chr == '\\' || chr == '/';
+#else
+    return chr == '/';
+#endif
+}
+
 namespace sk_tools {
     void force_all_opaque(const SkBitmap& bitmap) {
         SkASSERT(NULL == bitmap.getTexture());
@@ -37,16 +45,6 @@ namespace sk_tools {
         path->append(name);
     }
 
-    namespace {
-        bool is_path_seperator(const char chr) {
-#if defined(SK_BUILD_FOR_WIN)
-            return chr == '\\' || chr == '/';
-#else
-            return chr == '/';
-#endif
-        }
-    }
-
     void get_basename(SkString* basename, const SkString& path) {
         if (path.size() == 0) {
             basename->reset();