PPAPI: Proxy VarArrayBuffer for out-of-process.

ppapi/shared_impl/var_tracker.cc

Index: ppapi/shared_impl/var_tracker.cc
diff --git a/ppapi/shared_impl/var_tracker.cc b/ppapi/shared_impl/var_tracker.cc
index 0b703491f40a36798ebd199c4713e9a24e3cf4df..9e1abe897a7f6594c84d20d9b058841f2cddf315 100644
--- a/ppapi/shared_impl/var_tracker.cc
+++ b/ppapi/shared_impl/var_tracker.cc
@@ -4,6 +4,8 @@
 
 #include "ppapi/shared_impl/var_tracker.h"
 
+#include <string.h>
+
 #include <limits>
 
 #include "base/logging.h"
@@ -164,6 +166,15 @@ PP_Var VarTracker::MakeArrayBufferPPVar(uint32 size_in_bytes) {
   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());