Remove NPAPI from browser and utility

chrome/browser/printing/print_preview_dialog_controller_browsertest.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/bind_helpers.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 172 matching lines @@
     // RequestPrintPreviewObserver to get messages first for the purposes of
     // this test.
     cloned_tab_observer_.reset(new PrintPreviewDialogClonedObserver(first_tab));
     chrome::DuplicateTab(browser());
 
     initiator_ = browser()->tab_strip_model()->GetActiveWebContents();
     ASSERT_TRUE(initiator_);
     ASSERT_NE(first_tab, initiator_);
 
     content::PluginService::GetInstance()->Init();
-    content::PluginService::GetInstance()->DisablePluginsDiscoveryForTesting();
   }
 
   void TearDownOnMainThread() override {
     cloned_tab_observer_.reset();
     initiator_ = nullptr;
   }
 
   RequestPrintPreviewObserver* request_preview_dialog_observer() {
     return cloned_tab_observer_->request_preview_dialog_observer();
   }
@@ skipping 172 matching lines @@
   EXPECT_EQ(task_management::Task::RENDERER, task->GetType());
   const base::string16 title = task->title();
   EXPECT_TRUE(base::StartsWith(title,
                                expected_prefix,
                                base::CompareCase::INSENSITIVE_ASCII));
 }
 
 }  // namespace
 
 #endif  // defined(ENABLE_TASK_MANAGER)