Move TopSites api from c/b/history to c/b/e/api

chrome/browser/history/top_sites_extension_test.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 "base/values.h"
-#include "build/build_config.h"
-#include "chrome/browser/extensions/extension_function_test_utils.h"
-#include "chrome/browser/history/top_sites.h"
-#include "chrome/browser/history/top_sites_extension_api.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/test/base/in_process_browser_test.h"
-
-namespace utils = extension_function_test_utils;
-
-namespace {
-
-class TopSitesExtensionTest : public InProcessBrowserTest {
- public:
-  TopSitesExtensionTest() : top_sites_inited_(false), waiting_(false) {
-  }
-
-  void SetUpOnMainThread() {
-    history::TopSites* top_sites = browser()->profile()->GetTopSites();
-
-    // This may return async or sync. If sync, top_sites_inited_ will be true
-    // before we get to the conditional below. Otherwise, we'll run a nested
-    // message loop until the async callback.
-    top_sites->GetMostVisitedURLs(
-        base::Bind(&TopSitesExtensionTest::OnTopSitesAvailable, this));
-
-    if (!top_sites_inited_) {
-      waiting_ = true;
-      MessageLoop::current()->Run();
-    }
-
-    // By this point, we know topsites has loaded. We can run the tests now.
-  }
-
- private:
-  void OnTopSitesAvailable(const history::MostVisitedURLList& data) {
-    if (waiting_) {
-      MessageLoop::current()->Quit();
-      waiting_ = false;
-    }
-    top_sites_inited_ = true;
-  }
-
-  bool top_sites_inited_;
-  bool waiting_;
-};
-
-}  // namespace
-
-IN_PROC_BROWSER_TEST_F(TopSitesExtensionTest, GetTopSites) {
-  scoped_refptr<GetTopSitesFunction> get_top_sites_function(
-      new GetTopSitesFunction());
-  // Without a callback the function will not generate a result.
-  get_top_sites_function->set_has_callback(true);
-
-  scoped_ptr<base::Value> result(utils::RunFunctionAndReturnSingleResult(
-      get_top_sites_function.get(), "[]", browser()));
-  base::ListValue* list;
-  ASSERT_TRUE(result->GetAsList(&list));
-  EXPECT_GE(list->GetSize(), arraysize(history::kPrepopulatedPages));
-}