Allow WebUI Tests to use preLoad in HtmlDialogUI.

chrome/test/data/webui/async_gen-inl.h

-// Copyright (c) 2011 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 "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/values.h"
-#include "chrome/browser/ui/webui/web_ui_browsertest.h"
-#include "testing/gmock/include/gmock/gmock.h"
-
-// C++ support class for javascript-generated asynchronous tests.
-class WebUIBrowserAsyncGenTest : public WebUIBrowserTest {
- public:
-  WebUIBrowserAsyncGenTest();
-  virtual ~WebUIBrowserAsyncGenTest();
-
- protected:
-  class AsyncWebUIMessageHandler : public WebUIMessageHandler {
-   public:
-    AsyncWebUIMessageHandler();
-    ~AsyncWebUIMessageHandler();
-
-    MOCK_METHOD1(HandleTornDown, void(const base::ListValue*));
-
-   private:
-    void HandleCallJS(const base::ListValue* list_value) {
-      std::string call_js;
-      ASSERT_TRUE(list_value->GetString(0, &call_js));
-      web_ui_->CallJavascriptFunction(call_js);
-    }
-
-    virtual void RegisterMessages() OVERRIDE {
-      web_ui_->RegisterMessageCallback(
-          "callJS", base::Bind(&AsyncWebUIMessageHandler::HandleCallJS,
-                               base::Unretained(this)));
-      web_ui_->RegisterMessageCallback(
-          "tornDown", base::Bind(&AsyncWebUIMessageHandler::HandleTornDown,
-                                 base::Unretained(this)));
-    }
-  };
-
-  // Handler for this test fixture.
-  ::testing::StrictMock<AsyncWebUIMessageHandler> message_handler_;
-
- private:
-  // Provide this object's handler.
-  virtual WebUIMessageHandler* GetMockMessageHandler() OVERRIDE {
-    return &message_handler_;
-  }
-
-  virtual void SetUpOnMainThread() OVERRIDE {
-    WebUIBrowserTest::SetUpOnMainThread();
-    EXPECT_CALL(message_handler_, HandleTornDown(::testing::_));
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(WebUIBrowserAsyncGenTest);
-};