Convert //extensions/browser from scoped_ptr to std::unique_ptr

extensions/browser/quota_service_unittest.cc

 // Copyright 2013 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 <stddef.h>
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/process.h"
 #include "base/stl_util.h"
@@ skipping 103 matching lines @@
   void SetUp() override { service_.reset(new QuotaService()); }
   void TearDown() override {
     loop_.RunUntilIdle();
     service_.reset();
   }
 
  protected:
   std::string extension_a_;
   std::string extension_b_;
   std::string extension_c_;
-  scoped_ptr<QuotaService> service_;
+  std::unique_ptr<QuotaService> service_;
   base::MessageLoop loop_;
   content::TestBrowserThread ui_thread_;
 };
 
 class QuotaLimitHeuristicTest : public testing::Test {
  public:
   static void DoMoreThan2PerMinuteFor5Minutes(const TimeTicks& start_time,
                                               QuotaLimitHeuristic* lim,
                                               Bucket* b,
                                               int an_unexhausted_minute) {
@@ skipping 190 matching lines @@
   EXPECT_NE("", service_->Assess(extension_a_, f.get(), &arg,
                                  kStartTime + TimeDelta::FromDays(1) +
                                      TimeDelta::FromSeconds(25)));
 
   // Like now.
   EXPECT_EQ("", service_->Assess(extension_a_, f.get(), &arg,
                                  kStartTime + TimeDelta::FromDays(2)));
 }
 
 }  // namespace extensions