Remove useless use of pref from unit test.

chrome/browser/browsing_data_remover_unittest.cc

 // 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 "chrome/browser/browsing_data_remover.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 225 matching lines @@
 
 class BrowsingDataRemoverTest : public testing::Test {
  public:
   BrowsingDataRemoverTest()
       : ui_thread_(BrowserThread::UI, &message_loop_),
         db_thread_(BrowserThread::DB, &message_loop_),
         webkit_thread_(BrowserThread::WEBKIT, &message_loop_),
         file_thread_(BrowserThread::FILE, &message_loop_),
         io_thread_(BrowserThread::IO, &message_loop_),
         profile_(new TestingProfile()) {
-    profile_->GetPrefs()->SetBoolean(prefs::kClearPluginLSODataEnabled, false);
   }
 
   virtual ~BrowsingDataRemoverTest() {
   }
 
   void TearDown() {
     // TestingProfile contains a WebKitContext.  WebKitContext's destructor
     // posts a message to the WEBKIT thread to delete some of its member
     // variables. We need to ensure that the profile is destroyed, and that
     // the message loop is cleared out, before destroying the threads and loop.
@@ skipping 252 matching lines @@
       quota::kStorageTypeTemporary));
   EXPECT_FALSE(GetMockManager()->OriginHasData(kOrigin1,
       quota::kStorageTypePersistent));
   EXPECT_FALSE(GetMockManager()->OriginHasData(kOrigin2,
       quota::kStorageTypePersistent));
   EXPECT_FALSE(GetMockManager()->OriginHasData(kOrigin3,
       quota::kStorageTypePersistent));
 }
 
 }  // namespace