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

chrome/browser/extensions/content_verifier_browsertest.cc

 // Copyright 2014 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 <list>
 #include <set>
 #include <string>
 
 #include "base/macros.h"
 #include "base/scoped_observer.h"
@@ skipping 288 matching lines @@
     int reasons = prefs->GetDisableReasons(id);
     EXPECT_TRUE(reasons & Extension::DISABLE_CORRUPTED);
 
     // This needs to happen before the ExtensionRegistry gets deleted, which
     // happens before TearDownOnMainThread is called.
     unload_observer_.reset();
   }
 
  protected:
   JobDelegate delegate_;
-  scoped_ptr<UnloadObserver> unload_observer_;
+  std::unique_ptr<UnloadObserver> unload_observer_;
   GURL page_url_;
 };
 
 IN_PROC_BROWSER_TEST_F(ContentVerifierTest, FailOnRead) {
   EXPECT_EQ(0, delegate_.bytes_read_failed());
   delegate_.fail_next_read();
   OpenPageAndWaitForUnload();
   EXPECT_EQ(1, delegate_.bytes_read_failed());
 }
 
@@ skipping 97 matching lines @@
   job_observer.ExpectJobResult(id,
                                base::FilePath(FILE_PATH_LITERAL("script.js")),
                                JobObserver::Result::FAILURE);
   EnableExtension(id);
   EXPECT_TRUE(job_observer.WaitForExpectedJobs());
 
   ContentVerifyJob::SetObserverForTests(NULL);
 }
 
 }  // namespace extensions