PPAPI: Proxy VarArrayBuffer for out-of-process.

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>
 
 #include "base/logging.h"
 #include "ppapi/shared_impl/id_assignment.h"
 #include "ppapi/shared_impl/var.h"
 
 namespace ppapi {
 
 VarTracker::VarInfo::VarInfo()
     : var(),
@@ skipping 140 matching lines @@
   return type >= PP_VARTYPE_STRING;
 }
 
 PP_Var VarTracker::MakeArrayBufferPPVar(uint32 size_in_bytes) {
   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,
+                                        const void* data) {
+  scoped_refptr<ArrayBufferVar> array_buffer(CreateArrayBuffer(size_in_bytes));
+  if (!array_buffer)
+    return PP_MakeNull();
+  memcpy(array_buffer->Map(), data, size_in_bytes);
+  return array_buffer->GetPPVar();
+}
+
 std::vector<PP_Var> VarTracker::GetLiveVars() {
   std::vector<PP_Var> var_vector;
   var_vector.reserve(live_vars_.size());
   for (VarMap::const_iterator iter = live_vars_.begin();
        iter != live_vars_.end();
        ++iter) {
     var_vector.push_back(iter->second.var->GetPPVar());
   }
   return var_vector;
 }
@@ skipping 10 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