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

chrome/browser/extensions/api/log_private/log_private_api.h

Index: chrome/browser/extensions/api/log_private/log_private_api.h
diff --git a/chrome/browser/extensions/api/log_private/log_private_api.h b/chrome/browser/extensions/api/log_private/log_private_api.h
index d54ef6122b616d987aaea751f670870be1d51cfe..4ea5c34936e0e345aafa446dd7a7566b92f976b9 100644
--- a/chrome/browser/extensions/api/log_private/log_private_api.h
+++ b/chrome/browser/extensions/api/log_private/log_private_api.h
@@ -88,7 +88,7 @@ class LogPrivateAPI : public BrowserContextKeyedAPI,
   void OnAddEntry(const net::NetLog::Entry& entry) override;
 
   void PostPendingEntries();
-  void AddEntriesOnUI(scoped_ptr<base::ListValue> value);
+  void AddEntriesOnUI(std::unique_ptr<base::ListValue> value);
 
   // Creates a file that will be written to by net::WriteToFileNetLogObserver.
   void CreateTempNetLogFile(const std::string& owner_extension_id,
@@ -113,8 +113,8 @@ class LogPrivateAPI : public BrowserContextKeyedAPI,
   bool logging_net_internals_;
   api::log_private::EventSink event_sink_;
   std::set<std::string> net_internal_watches_;
-  scoped_ptr<base::ListValue> pending_entries_;
-  scoped_ptr<net::WriteToFileNetLogObserver> write_to_file_observer_;
+  std::unique_ptr<base::ListValue> pending_entries_;
+  std::unique_ptr<net::WriteToFileNetLogObserver> write_to_file_observer_;
   // Listen to extension unloaded notifications.
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
@@ -136,9 +136,10 @@ class LogPrivateGetHistoricalFunction : public AsyncExtensionFunction {
   bool RunAsync() override;
 
  private:
-  void OnSystemLogsLoaded(scoped_ptr<system_logs::SystemLogsResponse> sys_info);
+  void OnSystemLogsLoaded(
+      std::unique_ptr<system_logs::SystemLogsResponse> sys_info);
 
-  scoped_ptr<FilterHandler> filter_handler_;
+  std::unique_ptr<FilterHandler> filter_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(LogPrivateGetHistoricalFunction);
 };