Remove the "one at a time" restriction from the browsingData API

chrome/browser/extensions/api/browsing_data/browsing_data_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 <memory>
 #include <string>
 
 #include "base/json/json_string_value_serializer.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/pattern.h"
@@ skipping 232 matching lines @@
     }
   }
 
  private:
   // Cached pointer to BrowsingDataRemover for access to testing methods.
   BrowsingDataRemover* remover_;
 };
 
 }  // namespace
 
-IN_PROC_BROWSER_TEST_F(ExtensionBrowsingDataTest, OneAtATime) {
-  BrowsingDataRemover* browsing_data_remover =
-      BrowsingDataRemoverFactory::GetForBrowserContext(browser()->profile());
-  browsing_data_remover->SetRemoving(true);
-  scoped_refptr<BrowsingDataRemoveFunction> function =
-      new BrowsingDataRemoveFunction();
-  EXPECT_TRUE(base::MatchPattern(
-      RunFunctionAndReturnError(function.get(), kRemoveEverythingArguments,
-                                browser()),
-      extension_browsing_data_api_constants::kOneAtATimeError));
-  browsing_data_remover->SetRemoving(false);
-
-  EXPECT_EQ(base::Time(), GetBeginTime());
-  EXPECT_EQ(-1, GetRemovalMask());
-}
-
 IN_PROC_BROWSER_TEST_F(ExtensionBrowsingDataTest, RemovalProhibited) {
   PrefService* prefs = browser()->profile()->GetPrefs();
   prefs->SetBoolean(prefs::kAllowDeletingBrowserHistory, false);
 
   CheckRemovalPermitted("{\"appcache\": true}", true);
   CheckRemovalPermitted("{\"cache\": true}", true);
   CheckRemovalPermitted("{\"cookies\": true}", true);
   CheckRemovalPermitted("{\"downloads\": true}", false);
   CheckRemovalPermitted("{\"fileSystems\": true}", true);
   CheckRemovalPermitted("{\"formData\": true}", true);
@@ skipping 251 matching lines @@
 
   SetPrefsAndVerifySettings(
       BrowsingDataRemover::REMOVE_COOKIES |
           BrowsingDataRemover::REMOVE_HISTORY |
           BrowsingDataRemover::REMOVE_DOWNLOADS,
     UNPROTECTED_WEB,
     site_data_no_plugins_durable_usage |
         BrowsingDataRemover::REMOVE_HISTORY |
         BrowsingDataRemover::REMOVE_DOWNLOADS);
 }