[PPAPI] Moving pp::VarResource_Dev API into pp::Var (now stable).

ppapi/tests/test_post_message.cc

Index: ppapi/tests/test_post_message.cc
diff --git a/ppapi/tests/test_post_message.cc b/ppapi/tests/test_post_message.cc
index 83ae8a68114d13addf680ab4d183ae6b6286d66a..085de330323caf2f49114133dfcfd86a6e0dc35e 100644
--- a/ppapi/tests/test_post_message.cc
+++ b/ppapi/tests/test_post_message.cc
@@ -11,7 +11,6 @@
 
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/ppb_file_io.h"
-#include "ppapi/cpp/dev/var_resource_dev.h"
 #include "ppapi/cpp/file_io.h"
 #include "ppapi/cpp/file_ref.h"
 #include "ppapi/cpp/file_system.h"
@@ -599,8 +598,7 @@ std::string TestPostMessage::TestSendingResource() {
   ASSERT_EQ(PostAsyncMessageFromJavaScriptAndWait(js_code), 1);
   pp::Var var = message_data_.back();
   ASSERT_TRUE(var.is_resource());
-  pp::VarResource_Dev var_resource(var);
-  pp::Resource result = var_resource.AsResource();
+  pp::Resource result = var.AsResource();
   ASSERT_TRUE(pp::FileSystem::IsFileSystem(result));
   {
     pp::FileSystem file_system(result);