Fix toV8 and ExceptionState with empty context.

Source/bindings/v8/custom/V8InjectedScriptHostCustom.cpp

 /*
  * Copyright (C) 2007-2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 61 matching lines @@
     return V8Node::toNative(v8::Handle<v8::Object>::Cast(value.v8Value()));
 }
 
 ScriptValue InjectedScriptHost::nodeAsScriptValue(ScriptState* scriptState, Node* node)
 {
     v8::Isolate* isolate = scriptState->isolate();
     v8::HandleScope scope(isolate);
     v8::Local<v8::Context> context = scriptState->context();
     v8::Context::Scope contextScope(context);
 
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "nodeAsScriptValue", "InjectedScriptHost", v8::Handle<v8::Object>(), isolate);
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "nodeAsScriptValue", "InjectedScriptHost", context->Global(), isolate);
     if (!BindingSecurity::shouldAllowAccessToNode(isolate, node, exceptionState))
         return ScriptValue(scriptState, v8::Null(isolate));
-    return ScriptValue(scriptState, toV8(node, v8::Handle<v8::Object>(), isolate));
+    return ScriptValue(scriptState, toV8(node, context->Global(), isolate));
 }
 
 void V8InjectedScriptHost::inspectedObjectMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (info.Length() < 1)
         return;
 
     if (!info[0]->IsInt32()) {
         throwTypeError("argument has to be an integer", info.GetIsolate());
         return;
@@ skipping 345 matching lines @@
     OwnPtr<v8::Handle<v8::Value>[]> argv = adoptArrayPtr(new v8::Handle<v8::Value>[argc]);
     for (size_t i = 0; i < argc; ++i)
         argv[i] = info[i + 2];
 
     v8::Local<v8::Value> result = function->Call(receiver, argc, argv.get());
     debugServer.unmuteWarningsAndDeprecations();
     v8SetReturnValue(info, result);
 }
 
 } // namespace WebCore