PPAPI: Proxy VarArrayBuffer for out-of-process.

ppapi/shared_impl/var_tracker.h

Index: ppapi/shared_impl/var_tracker.h
diff --git a/ppapi/shared_impl/var_tracker.h b/ppapi/shared_impl/var_tracker.h
index 52e38bde2676f36e964c83a51317813dd8423508..575b710bf1a993a1b890120ecf4321770279ef0d 100644
--- a/ppapi/shared_impl/var_tracker.h
+++ b/ppapi/shared_impl/var_tracker.h
@@ -61,6 +61,8 @@ class PPAPI_SHARED_EXPORT VarTracker {
   // Create a new array buffer of size |size_in_bytes|. Return a PP_Var that
   // that references it and has an initial reference-count of 1.
   PP_Var MakeArrayBufferPPVar(uint32 size_in_bytes);
+  // Same as above, but copy the contents of |data| in to the new array buffer.
+  PP_Var MakeArrayBufferPPVar(uint32 size_in_bytes, const void* data);
 
   // Return a vector containing all PP_Vars that are in the tracker. This is
   // to help implement PPB_Testing_Dev.GetLiveVars and should generally not be