Move component updater artifacts into component_updater namespace.

chrome/browser/component_updater/component_updater_utils.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/component_updater/component_updater_utils.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/guid.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
@@ skipping 148 matching lines @@
       id.append(1, val + 'a');
     } else {
       id.append(1, 'a');
     }
   }
   DCHECK(extensions::Extension::IdIsValid(id));
   return id;
 }
 
 std::string GetCrxComponentID(const CrxComponent& component) {
-  return component_updater::HexStringToID(
-      StringToLowerASCII(base::HexEncode(&component.pk_hash[0],
-                         component.pk_hash.size()/2)));
+  return HexStringToID(StringToLowerASCII(base::HexEncode(&component.pk_hash[0],
+                       component.pk_hash.size()/2)));
 }
 
 }  // namespace component_updater