Introduce RawVarData and associated classes for serializing PP_Vars

ppapi/shared_impl/var_tracker.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/shared_impl/var_tracker.h"
 
 #include <string.h>
 
 #include <limits>
 
@@ skipping 156 matching lines @@
 int VarTracker::GetTrackedWithNoReferenceCountForObject(
     const PP_Var& plugin_object) {
   CheckThreadingPreconditions();
 
   VarMap::iterator found = GetLiveVar(plugin_object);
   if (found == live_vars_.end())
     return -1;
   return found->second.track_with_no_reference_count;
 }
 
+// static
+bool VarTracker::IsVarTypeRefcounted(PP_VarType type) {
+  return type >= PP_VARTYPE_STRING;
+}
+
 VarTracker::VarMap::iterator VarTracker::GetLiveVar(const PP_Var& var) {
   return live_vars_.find(static_cast<int32>(var.value.as_id));
 }
 
 VarTracker::VarMap::const_iterator VarTracker::GetLiveVar(
     const PP_Var& var) const {
   return live_vars_.find(static_cast<int32>(var.value.as_id));
 }
 
-bool VarTracker::IsVarTypeRefcounted(PP_VarType type) const {
-  return type >= PP_VARTYPE_STRING;
-}
-
 PP_Var VarTracker::MakeArrayBufferPPVar(uint32 size_in_bytes) {
   CheckThreadingPreconditions();
 
   scoped_refptr<ArrayBufferVar> array_buffer(CreateArrayBuffer(size_in_bytes));
   if (!array_buffer)
     return PP_MakeNull();
   return array_buffer->GetPPVar();
 }
 
 PP_Var VarTracker::MakeArrayBufferPPVar(uint32 size_in_bytes,
@@ skipping 51 matching lines @@
 bool VarTracker::DeleteObjectInfoIfNecessary(VarMap::iterator iter) {
   if (iter->second.ref_count != 0 ||
       iter->second.track_with_no_reference_count != 0)
     return false;  // Object still alive.
   iter->second.var->ResetVarID();
   live_vars_.erase(iter);
   return true;
 }
 
 }  // namespace ppapi