Rename extension_manifest_keys namespace to extensions::manifest_keys.

chrome/common/extensions/api/file_browser_handlers/file_browser_handler.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/common/extensions/api/file_browser_handlers/file_browser_handler.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest.h"
 #include "content/public/common/url_constants.h"
 #include "extensions/common/error_utils.h"
 #include "extensions/common/url_pattern.h"
 
-namespace keys = extension_manifest_keys;
+namespace keys = extensions::manifest_keys;
 namespace errors = extension_manifest_errors;
 
 namespace {
 
 const char kReadAccessString[] = "read";
 const char kReadWriteAccessString[] = "read-write";
 const char kCreateAccessString[] = "create";
 
 unsigned int kPermissionsNotDefined = 0;
 unsigned int kReadPermission = 1;
@@ skipping 251 matching lines @@
     return false;  // Failed to parse file browser actions definition.
   }
 
   extension->SetManifestData(keys::kFileBrowserHandlers, info.release());
   return true;
 }
 
 const std::vector<std::string> FileBrowserHandlerParser::Keys() const {
   return SingleKey(keys::kFileBrowserHandlers);
 }