Convert resources to take an instance key instead of an Instance*.

ppapi/tests/test_websocket.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/tests/test_websocket.h"
 
 #include <string.h>
 #include <vector>
 
 #include "ppapi/c/dev/ppb_testing_dev.h"
@@ skipping 566 matching lines @@
 
   std::string text_message("hello C++");
   result = ws.SendMessage(pp::Var(text_message));
   ASSERT_EQ(PP_OK, result);
 
   uint32_t binary_length = 256;
   uint8_t binary_message[256];
   for (uint32_t i = 0; i < binary_length; ++i)
     binary_message[i] = i;
   result = ws.SendMessage(pp::Var(
-      pp::Var::PassRef(), CreateVarBinary(binary_message, binary_length)));
+      pp::PASS_REF, CreateVarBinary(binary_message, binary_length)));
   ASSERT_EQ(PP_OK, result);
 
   pp::Var text_receive_var;
   TestCompletionCallback text_receive_callback(instance_->pp_instance());
   result = ws.ReceiveMessage(&text_receive_var, text_receive_callback);
   if (result == PP_OK_COMPLETIONPENDING)
     result = text_receive_callback.WaitForResult();
   ASSERT_EQ(PP_OK, result);
   ASSERT_TRUE(
       AreEqualWithString(text_receive_var.pp_var(), text_message.c_str()));
@@ skipping 19 matching lines @@
   ASSERT_EQ(kCloseCodeNormalClosure, ws.GetCloseCode());
   ASSERT_TRUE(AreEqualWithString(ws.GetCloseReason().pp_var(), reason.c_str()));
   ASSERT_EQ(true, ws.GetCloseWasClean());
   ASSERT_TRUE(AreEqualWithString(ws.GetExtensions().pp_var(), ""));
   ASSERT_TRUE(AreEqualWithString(ws.GetProtocol().pp_var(), ""));
   ASSERT_EQ(PP_WEBSOCKETREADYSTATE_CLOSED, ws.GetReadyState());
   ASSERT_TRUE(AreEqualWithString(ws.GetURL().pp_var(), kCloseServerURL));
 
   PASS();
 }