Move the rest of extension_manifest_constants to top-level extensions/

chrome/common/extensions/manifest_handler_helpers.cc

 // Copyright (c) 2012 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/manifest_handler_helpers.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_icon_set.h"
-#include "chrome/common/extensions/extension_manifest_constants.h"
 #include "extensions/common/error_utils.h"
+#include "extensions/common/manifest_constants.h"
 
-namespace errors = extension_manifest_errors;
 
 namespace extensions {
+
+namespace errors = manifest_errors;
+
 namespace manifest_handler_helpers {
 
 bool NormalizeAndValidatePath(std::string* path) {
   size_t first_non_slash = path->find_first_not_of('/');
   if (first_non_slash == std::string::npos) {
     *path = "";
     return false;
   }
 
   *path = path->substr(first_non_slash);
@@ skipping 21 matching lines @@
             errors::kInvalidIconPath, key);
         return false;
       }
 
       icons->Add(icon_sizes[i], icon_path);
     }
   }
   return true;
 }
 
+}  // namespace manifest_handler_helpers
+
 }  // namespace extensions
-}  // namespace manifest_handler_extensions