Tweaks to PPB_VarArrayBuffer in preperation for taking out of Dev.

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 95 matching lines @@
   if (utf8_length != string_length)
     return false;
   if (strncmp(utf8, string, utf8_length))
     return false;
   return true;
 }
 
 bool TestWebSocket::AreEqualWithBinary(const PP_Var& var,
                                        const uint8_t* data,
                                        uint32_t size) {
-  if (arraybuffer_interface_->ByteLength(var) != size)
+  uint32_t buffer_size = 0;
+  PP_Bool success = arraybuffer_interface_->ByteLength(var, &buffer_size);
+  if (!success || buffer_size != size)
     return false;
   if (memcmp(arraybuffer_interface_->Map(var), data, size))
     return false;
   return true;
 }
 
 PP_Resource TestWebSocket::Connect(
     const char* url, int32_t* result, const char* protocol) {
   PP_Var protocols[] = { PP_MakeUndefined() };
   PP_Resource ws = websocket_interface_->Create(instance_->pp_instance());
@@ skipping 496 matching lines @@
   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_DEV, ws.GetReadyState());
   ASSERT_TRUE(AreEqualWithString(ws.GetURL().pp_var(), kCloseServerURL));
   ASSERT_EQ(PP_WEBSOCKETBINARYTYPE_ARRAYBUFFER_DEV, ws.GetBinaryType());
 
   PASS();
 }