Put helper class in anonymous namespace.

llvm-svn: 185306

clang/lib/Tooling/JSONCompilationDatabase.cpp

@@ -117,8 +117,6 @@ std::vector<std::string> unescapeCommandLine(
   return parser.parse();
 }
 
-} // end namespace
-
 class JSONCompilationDatabasePlugin : public CompilationDatabasePlugin {
   virtual CompilationDatabase *loadFromDirectory(
       StringRef Directory, std::string &ErrorMessage) {
@@ -132,6 +130,8 @@ class JSONCompilationDatabasePlugin : public CompilationDatabasePlugin {
   }
 };
 
+} // end namespace
+
 // Register the JSONCompilationDatabasePlugin with the
 // CompilationDatabasePluginRegistry using this statically initialized variable.
 static CompilationDatabasePluginRegistry::Add<JSONCompilationDatabasePlugin>