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

chrome/browser/metrics/extensions_metrics_provider.h

 // 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.
 
 #ifndef CHROME_BROWSER_METRICS_EXTENSIONS_METRICS_PROVIDER_H_
 #define CHROME_BROWSER_METRICS_EXTENSIONS_METRICS_PROVIDER_H_
 
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "components/metrics/metrics_provider.h"
 
 class Profile;
 
 namespace extensions {
 class ExtensionSet;
 }
 
 namespace metrics {
 class MetricsStateManager;
@@ skipping 12 matching lines @@
   ~ExtensionsMetricsProvider() override;
 
   // metrics::MetricsProvider:
   void ProvideSystemProfileMetrics(
       metrics::SystemProfileProto* system_profile) override;
 
  protected:
   // Exposed for the sake of mocking in test code.
 
   // Retrieves the set of extensions installed in the given |profile|.
-  virtual scoped_ptr<extensions::ExtensionSet> GetInstalledExtensions(
+  virtual std::unique_ptr<extensions::ExtensionSet> GetInstalledExtensions(
       Profile* profile);
 
   // Retrieves the client ID.
   virtual uint64_t GetClientID();
 
   // Hashes the extension extension ID using the provided client key (which
   // must be less than kExtensionListClientKeys) and to produce an output value
   // between 0 and kExtensionListBuckets-1.
   static int HashExtension(const std::string& extension_id,
                            uint32_t client_key);
@@ skipping 16 matching lines @@
 
   // The profile for which extensions are gathered for the occupied bucket
   // metric. Once a profile is found its value is cached here so that
   // GetMetricsProfile() can return a consistent value.
   Profile* cached_profile_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionsMetricsProvider);
 };
 
 #endif  // CHROME_BROWSER_METRICS_EXTENSIONS_METRICS_PROVIDER_H_