Parse createUrl field of apps.list Drive API.

google_apis/drive/drive_api_parser.cc

Index: google_apis/drive/drive_api_parser.cc
diff --git a/google_apis/drive/drive_api_parser.cc b/google_apis/drive/drive_api_parser.cc
index 4b05e8b5844501473fd2edb3527869d43c6ea2fa..cefbc21e870d570fd8e93392cdbd18f3743ce9b0 100644
--- a/google_apis/drive/drive_api_parser.cc
+++ b/google_apis/drive/drive_api_parser.cc
@@ -107,6 +107,7 @@ const char kSecondaryMimeTypes[] = "secondaryMimeTypes";
 const char kPrimaryFileExtensions[] = "primaryFileExtensions";
 const char kSecondaryFileExtensions[] = "secondaryFileExtensions";
 const char kIcons[] = "icons";
+const char kCreateUrl[] = "createUrl";
 
 // Apps List
 // https://developers.google.com/drive/v2/reference/apps/list
@@ -328,6 +329,9 @@ void AppResource::RegisterJSONConverter(
   converter->RegisterRepeatedString(kSecondaryFileExtensions,
                                     &AppResource::secondary_file_extensions_);
   converter->RegisterRepeatedMessage(kIcons, &AppResource::icons_);
+  converter->RegisterCustomField<GURL>(kCreateUrl,
+                                       &AppResource::create_url_,
+                                       GetGURLFromString);
 }
 
 // static