Revert of Remove deprecated methods from Pickle.

ppapi/proxy/serialized_var.cc

 // 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.
 
 #include "ppapi/proxy/serialized_var.h"
 
 #include "base/logging.h"
 #include "ipc/ipc_message_utils.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/proxy/dispatcher.h"
@@ skipping 131 matching lines @@
   //
   // One place this has happened in the past is using
   // std::vector<SerializedVar>.resize(). If you're doing this manually instead
   // of using the helper classes for handling in/out vectors of vars, be
   // sure you use the same pattern as the SerializedVarVector classes.
   DCHECK(!has_been_deserialized_);
   has_been_deserialized_ = true;
 #endif
   // When reading, the dispatcher should be set when we get a Deserialize
   // call (which will supply a dispatcher).
-  if (!iter->ReadBool(&is_valid_var_))
+  if (!m->ReadBool(iter, &is_valid_var_))
       return false;
   if (is_valid_var_) {
     raw_var_data_ = RawVarDataGraph::Read(m, iter);
     if (!raw_var_data_)
       return false;
   }
 
   return true;
 }
 
@@ skipping 295 matching lines @@
     const std::string& str) {
   inner_->ForceSetVarValueForTest(StringVar::StringToPPVar(str));
 }
 
 SerializedVarTestReader::SerializedVarTestReader(const SerializedVar& var)
     : SerializedVar(var) {
 }
 
 }  // namespace proxy
 }  // namespace ppapi