Add HasChangeListKind and HasFileListKind methods.

chrome/browser/google_apis/drive_api_parser.h

 // 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.
 
 #ifndef CHROME_BROWSER_GOOGLE_APIS_DRIVE_API_PARSER_H_
 #define CHROME_BROWSER_GOOGLE_APIS_DRIVE_API_PARSER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 613 matching lines @@
 class FileList {
  public:
   FileList();
   ~FileList();
 
   // Registers the mapping between JSON field names and the members in this
   // class.
   static void RegisterJSONConverter(
       base::JSONValueConverter<FileList>* converter);
 
+  // Returns true if the |value| has kind field for FileList.
+  static bool HasFileListKind(const base::Value& value);
+
   // Creates file list from parsed JSON.
   static scoped_ptr<FileList> CreateFrom(const base::Value& value);
 
   // Returns the ETag of the list.
   const std::string& etag() const { return etag_; }
 
   // Returns the page token for the next page of files, if the list is large
   // to fit in one response.  If this is empty, there is no more file lists.
   const std::string& next_page_token() const { return next_page_token_; }
 
@@ skipping 95 matching lines @@
 class ChangeList {
  public:
   ChangeList();
   ~ChangeList();
 
   // Registers the mapping between JSON field names and the members in this
   // class.
   static void RegisterJSONConverter(
       base::JSONValueConverter<ChangeList>* converter);
 
+  // Returns true if the |value| has kind field for ChangeList.
+  static bool HasChangeListKind(const base::Value& value);
+
   // Creates change list from parsed JSON.
   static scoped_ptr<ChangeList> CreateFrom(const base::Value& value);
 
   // Returns the ETag of the list.
   const std::string& etag() const { return etag_; }
 
   // Returns the page token for the next page of files, if the list is large
   // to fit in one response.  If this is empty, there is no more file lists.
   const std::string& next_page_token() const { return next_page_token_; }
 
@@ skipping 36 matching lines @@
   GURL next_link_;
   int64 largest_change_id_;
   ScopedVector<ChangeResource> items_;
 
   DISALLOW_COPY_AND_ASSIGN(ChangeList);
 };
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_DRIVE_API_PARSER_H_