remove some calls to to-be-deprecated v8::Value::To* functions

content/renderer/pepper/ppb_var_deprecated_impl.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 "content/renderer/pepper/ppb_var_deprecated_impl.h"
 
 #include <limits>
 
 #include "content/renderer/pepper/host_globals.h"
 #include "content/renderer/pepper/message_channel.h"
@@ skipping 217 matching lines @@
 
   if (!v8_method_name->IsString()) {
     try_catch.SetException(kUnableToCallMethodException);
     return PP_MakeUndefined();
   }
 
   v8::Handle<v8::Object> function = accessor.GetObject();
   v8::Handle<v8::Object> recv =
       accessor.instance()->GetMainWorldContext()->Global();
   if (v8_method_name.As<v8::String>()->Length() != 0) {
-    function = function->Get(v8_method_name)->ToObject();
+    function = function->Get(v8_method_name)
+                   ->ToObject(accessor.instance()->GetIsolate());
     recv = accessor.GetObject();
   }
 
   if (try_catch.HasException())
     return PP_MakeUndefined();
 
   if (!function->IsFunction()) {
     try_catch.SetException(kUnableToCallMethodException);
     return PP_MakeUndefined();
   }
@@ skipping 109 matching lines @@
       &CallDeprecated,
       &Construct,
       &IsInstanceOfDeprecated,
       &CreateObjectDeprecated,
       &CreateObjectWithModuleDeprecated, };
 
   return &var_deprecated_interface;
 }
 
 }  // namespace content