Add verbs API to file handlers. Modify the Chrome OS UI so that it displayes the internationalized …

extensions/common/manifest_handlers/file_handler_info.h

Index: extensions/common/manifest_handlers/file_handler_info.h
diff --git a/extensions/common/manifest_handlers/file_handler_info.h b/extensions/common/manifest_handlers/file_handler_info.h
index 90de31c3069cea530f47d61ce837a2c4868379a6..7b3829cd2b2eeb5641ff8f50e0860eabf9bf6fe8 100644
--- a/extensions/common/manifest_handlers/file_handler_info.h
+++ b/extensions/common/manifest_handlers/file_handler_info.h
@@ -31,6 +31,9 @@ struct FileHandlerInfo {
 
   // True if the handler can manage directories.
   bool include_directories;
+
+  // A verb describing the intent of the handler.
+  std::string verb;
 };
 
 typedef std::vector<FileHandlerInfo> FileHandlersInfo;
@@ -58,6 +61,22 @@ class FileHandlersParser : public ManifestHandler {
   DISALLOW_COPY_AND_ASSIGN(FileHandlersParser);
 };
 
+namespace file_handler_verbs {
+
+// Supported verbs for file handlers.
+extern const char kOpenWith[];
+extern const char kAddTo[];
+extern const char kPackWith[];
+
+bool IsSupportedVerb(const std::string& verb);
+
+// Gets the internationlized title for an extension based on the extension name
+// and the associated handler verb.
+base::string16 GetTitleForExtensionAndVerb(const std::string& extension_name,
+                                           const std::string& handler_verb);
+
+}  // namespace file_handler_verbs
+
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_MANIFEST_HANDLERS_FILE_HANDLER_INFO_H_