A bunch of remaining parts of extension content verification (Reland)

extensions/common/constants.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 "extensions/common/constants.h"
 
 #include "base/files/file_path.h"
 
 namespace extensions {
 
 const char kExtensionScheme[] = "chrome-extension";
 const char kExtensionResourceScheme[] = "chrome-extension-resource";
 
 const base::FilePath::CharType kManifestFilename[] =
     FILE_PATH_LITERAL("manifest.json");
 const base::FilePath::CharType kLocaleFolder[] =
     FILE_PATH_LITERAL("_locales");
 const base::FilePath::CharType kMessagesFilename[] =
     FILE_PATH_LITERAL("messages.json");
 const base::FilePath::CharType kPlatformSpecificFolder[] =
     FILE_PATH_LITERAL("_platform_specific");
+const base::FilePath::CharType kMetadataFolder[] =
+    FILE_PATH_LITERAL("_metadata");
+const base::FilePath::CharType kVerifiedContentsFilename[] =
+    FILE_PATH_LITERAL("verified_contents.json");
+const base::FilePath::CharType kComputedHashesFilename[] =
+    FILE_PATH_LITERAL("computed_hashes.json");
 
 const char kInstallDirectoryName[] = "Extensions";
 
 const char kTempExtensionName[] = "CRX_INSTALL";
 
 const char kDecodedImagesFilename[] = "DECODED_IMAGES";
 
 const char kDecodedMessageCatalogsFilename[] = "DECODED_MESSAGE_CATALOGS";
 
 const char kGeneratedBackgroundPageFilename[] =
@@ skipping 36 matching lines @@
 const size_t kNumExtensionIconSizes = arraysize(kExtensionIconSizes);
 
 const int kExtensionActionIconSizes[] = {EXTENSION_ICON_ACTION,     // 19,
                                          2 * EXTENSION_ICON_ACTION  // 38
 };
 
 const size_t kNumExtensionActionIconSizes =
     arraysize(kExtensionActionIconSizes);
 
 }  // namespace extension_misc