Reland after revert - Adds parsing for the app_id field from an

chrome/browser/chromeos/gdata/gdata_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_CHROMEOS_GDATA_GDATA_PARSER_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_PARSER_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 44 matching lines @@
     POST,
     BATCH,
     RESUMABLE_EDIT_MEDIA,
     RESUMABLE_CREATE_MEDIA,
     TABLES_FEED,
     WORKSHEET_FEED,
     THUMBNAIL,
     EMBED,
     PRODUCT,
     ICON,
+    OPEN_WITH,
   };
   Link();
+  ~Link();
 
   // Registers the mapping between JSON field names and the members in
   // this class.
   static void RegisterJSONConverter(base::JSONValueConverter<Link>* converter);
 
   // Creates document entry from parsed XML.
   static Link* CreateFromXml(XmlReader* xml_reader);
 
   // Type of the link.
   LinkType type() const { return type_; }
 
   // URL of the link.
   const GURL& href() const { return href_; }
 
   // Title of the link.
   const string16& title() const { return title_; }
 
+  // For OPEN_WITH links, this contains the application ID. For all other link
+  // types, it is the empty string.
+  const std::string& app_id() const { return app_id_; }
+
   // Link MIME type.
   const std::string& mime_type() const { return mime_type_; }
 
  private:
   friend class DocumentEntry;
-  // Converts value of link.rel into LinkType. Outputs to |result| and
-  // returns true when |rel| has a valid value. Otherwise does nothing
-  // and returns false.
-  static bool GetLinkType(const base::StringPiece& rel, LinkType* result);
+  // Converts value of link.rel into LinkType. Outputs to |type| and returns
+  // true when |rel| has a valid value. Otherwise does nothing and returns
+  // false.
+  static bool GetLinkType(const base::StringPiece& rel, LinkType* type);
+
+  // Converts value of link.rel to application ID, if there is one embedded in
+  // the link.rel field. Outputs to |app_id| and returns true when |rel| has a
+  // valid value. Otherwise does nothing and returns false.
+  static bool GetAppID(const base::StringPiece& rel, std::string* app_id);
+
 
   LinkType type_;
   GURL href_;
   string16 title_;
+  std::string app_id_;
   std::string mime_type_;
 
   DISALLOW_COPY_AND_ASSIGN(Link);
 };
 
 // Feed links define links (URLs) to special list of entries (i.e. list of
 // previous document revisions).
 class FeedLink {
  public:
   enum FeedLinkType {
@@ skipping 506 matching lines @@
   int largest_changestamp_;
   ScopedVector<InstalledApp> installed_apps_;
 
   DISALLOW_COPY_AND_ASSIGN(AccountMetadataFeed);
 };
 
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_PARSER_H_