Move shell service to toplevel shell namespace

services/shell/public/cpp/names.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef SERVICES_SHELL_PUBLIC_CPP_NAMES_H_
 #define SERVICES_SHELL_PUBLIC_CPP_NAMES_H_
 
 #include <string>
 
-namespace mojo {
+namespace shell {
 
 extern const char kNameType_Mojo[];
 extern const char kNameType_Exe[];
 
 // Mojo services and applications are identified by structured "names", of the
 // form:
 //
 //    type:path.
 //
 // The type field tells the shell how to load the application. Two types are
@@ skipping 23 matching lines @@
 // Returns true if the name is a valid form, i.e. type:path. path cannot start
 // with a "//" sequence. These are _not_ urls.
 bool IsValidName(const std::string& name);
 
 // Get the type component of the specified name.
 std::string GetNameType(const std::string& name);
 
 // Get the path component of the specified name.
 std::string GetNamePath(const std::string& name);
 
-}  // namespace mojo
+}  // namespace shell
 
 #endif  // SERVICES_SHELL_PUBLIC_CPP_NAMES_H_