Translate: element API callback interface change

chrome/common/translate/translate_errors.h

 // 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.
 
 #ifndef CHROME_COMMON_TRANSLATE_TRANSLATE_ERRORS_H_
 #define CHROME_COMMON_TRANSLATE_TRANSLATE_ERRORS_H_
 
 // This file consolidates all the error types for translation of a page.
 // Note: TranslateErrors is used for UMA and translate_internals.js.
+// Assigned numbers should be changed because the number is binded to UMA value.
 // enum TranslateError in histograms.xml and errorStrs in translate_internals.js
 // should be updated when the type is updated.
 
 class TranslateErrors {
  public:
   enum Type {
     NONE = 0,
-    NETWORK,               // No connectivity.
-    INITIALIZATION_ERROR,  // The translation script failed to initialize.
-    UNKNOWN_LANGUAGE,      // The page's language could not be detected.
-    UNSUPPORTED_LANGUAGE,  // The server detected a language that the browser
-                           // does not know.
-    IDENTICAL_LANGUAGES,   // The original and target languages are the same.
-    TRANSLATION_ERROR,     // An error was reported by the translation script
-                           // during translation.
+    NETWORK,                  // No connectivity.
+    INITIALIZATION_ERROR,     // The translation script failed to initialize.
+    UNKNOWN_LANGUAGE,         // The page's language could not be detected.
+    UNSUPPORTED_LANGUAGE,     // The server detected a language that the browser
+                              // does not know.
+    IDENTICAL_LANGUAGES,      // The original and target languages are the same.
+    TRANSLATION_ERROR,        // An error was reported by the translation script
+                              // during translation.
+    TRANSLATION_TIMEOUT,      // The library doesn't finish the translation.
+    UNEXPECTED_SCRIPT_ERROR,  // The library raises an unexpected exception.
+    BAD_ORIGIN,               // The library is blocked because of bad origin.
+    SCRIPT_LOAD_ERROR,        // Loader fails to load a dependent JavaScript.
     TRANSLATE_ERROR_MAX,
   };
 
  private:
   TranslateErrors() {}
 
   DISALLOW_COPY_AND_ASSIGN(TranslateErrors);
 };
 
 #endif  // CHROME_COMMON_TRANSLATE_TRANSLATE_ERRORS_H_