Revert 153571 - Create base class for TabHelpers.

chrome/browser/tab_contents/web_contents_user_data_unittest.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 "chrome/browser/tab_contents/web_contents_user_data.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "chrome/test/base/chrome_render_view_host_test_harness.h"
-#include "content/public/browser/web_contents.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class WebContentsAttachedClass1
-    : public WebContentsUserData<WebContentsAttachedClass1> {
- public:
-  explicit WebContentsAttachedClass1(content::WebContents* contents) {}
-  virtual ~WebContentsAttachedClass1() {}
-};
-
-class WebContentsAttachedClass2
-    : public WebContentsUserData<WebContentsAttachedClass2> {
- public:
-  explicit WebContentsAttachedClass2(content::WebContents* contents) {}
-  virtual ~WebContentsAttachedClass2() {}
-};
-
-}  // namespace
-
-typedef ChromeRenderViewHostTestHarness WebContentsUserDataTest;
-
-TEST_F(WebContentsUserDataTest, BasicTest) {
-  content::WebContents* contents = web_contents();
-  WebContentsAttachedClass1* class1 =
-      WebContentsAttachedClass1::FromWebContents(contents);
-  ASSERT_EQ(NULL, class1);
-  WebContentsAttachedClass2* class2 =
-      WebContentsAttachedClass2::FromWebContents(contents);
-  ASSERT_EQ(NULL, class2);
-
-  WebContentsAttachedClass1::CreateForWebContents(contents);
-  class1 = WebContentsAttachedClass1::FromWebContents(contents);
-  ASSERT_TRUE(class1 != NULL);
-  class2 = WebContentsAttachedClass2::FromWebContents(contents);
-  ASSERT_EQ(NULL, class2);
-
-  WebContentsAttachedClass2::CreateForWebContents(contents);
-  WebContentsAttachedClass1* class1again =
-      WebContentsAttachedClass1::FromWebContents(contents);
-  ASSERT_TRUE(class1again != NULL);
-  class2 = WebContentsAttachedClass2::FromWebContents(contents);
-  ASSERT_TRUE(class2 != NULL);
-  ASSERT_EQ(class1, class1again);
-  ASSERT_NE(static_cast<void*>(class1), static_cast<void*>(class2));
-}