Revert of Remove deprecated methods from Pickle.

components/sessions/base_session_service_commands.cc

 // Copyright 2014 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.
 
 #include "components/sessions/base_session_service_commands.h"
 
 #include "base/pickle.h"
 #include "components/sessions/session_backend.h"
 #include "components/sessions/session_types.h"
 
@@ skipping 91 matching lines @@
 }
 
 bool RestoreUpdateTabNavigationCommand(
     const SessionCommand& command,
     sessions::SerializedNavigationEntry* navigation,
     SessionID::id_type* tab_id) {
   scoped_ptr<Pickle> pickle(command.PayloadAsPickle());
   if (!pickle.get())
     return false;
   PickleIterator iterator(*pickle);
-  return iterator.ReadInt(tab_id) && navigation->ReadFromPickle(&iterator);
+  return pickle->ReadInt(&iterator, tab_id) &&
+         navigation->ReadFromPickle(&iterator);
 }
 
 bool RestoreSetTabExtensionAppIDCommand(const SessionCommand& command,
                                         SessionID::id_type* tab_id,
                                         std::string* extension_app_id) {
   scoped_ptr<Pickle> pickle(command.PayloadAsPickle());
   if (!pickle.get())
     return false;
 
   PickleIterator iterator(*pickle);
-  return iterator.ReadInt(tab_id) && iterator.ReadString(extension_app_id);
+  return pickle->ReadInt(&iterator, tab_id) &&
+      pickle->ReadString(&iterator, extension_app_id);
 }
 
 bool RestoreSetTabUserAgentOverrideCommand(const SessionCommand& command,
                                            SessionID::id_type* tab_id,
                                            std::string* user_agent_override) {
   scoped_ptr<Pickle> pickle(command.PayloadAsPickle());
   if (!pickle.get())
     return false;
 
   PickleIterator iterator(*pickle);
-  return iterator.ReadInt(tab_id) && iterator.ReadString(user_agent_override);
+  return pickle->ReadInt(&iterator, tab_id) &&
+      pickle->ReadString(&iterator, user_agent_override);
 }
 
 bool RestoreSetWindowAppNameCommand(const SessionCommand& command,
                                     SessionID::id_type* window_id,
                                     std::string* app_name) {
   scoped_ptr<Pickle> pickle(command.PayloadAsPickle());
   if (!pickle.get())
     return false;
 
   PickleIterator iterator(*pickle);
-  return iterator.ReadInt(window_id) && iterator.ReadString(app_name);
+  return pickle->ReadInt(&iterator, window_id) &&
+      pickle->ReadString(&iterator, app_name);
 }
 
 }  // namespace sessions