Convert //base to use std::unique_ptr

base/message_loop/message_loop.h

 // 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.
 
 #ifndef BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_
 #define BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_
 
+#include <memory>
 #include <queue>
 #include <string>
 
 #include "base/base_export.h"
 #include "base/callback_forward.h"
 #include "base/debug/task_annotator.h"
 #include "base/gtest_prod_util.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/message_loop/incoming_task_queue.h"
 #include "base/message_loop/message_loop_task_runner.h"
 #include "base/message_loop/message_pump.h"
 #include "base/message_loop/timer_slack.h"
 #include "base/observer_list.h"
 #include "base/pending_task.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/synchronization/lock.h"
 #include "base/time/time.h"
 #include "base/tracking_info.h"
@@ skipping 79 matching lines @@
 #if defined(OS_ANDROID)
     TYPE_JAVA,
 #endif  // defined(OS_ANDROID)
   };
 
   // Normally, it is not necessary to instantiate a MessageLoop.  Instead, it
   // is typical to make use of the current thread's MessageLoop instance.
   explicit MessageLoop(Type type = TYPE_DEFAULT);
   // Creates a TYPE_CUSTOM MessageLoop with the supplied MessagePump, which must
   // be non-NULL.
-  explicit MessageLoop(scoped_ptr<MessagePump> pump);
+  explicit MessageLoop(std::unique_ptr<MessagePump> pump);
 
   ~MessageLoop() override;
 
   // Returns the MessageLoop object for the current thread, or null if none.
   static MessageLoop* current();
 
   static void EnableHistogrammer(bool enable_histogrammer);
 
-  typedef scoped_ptr<MessagePump> (MessagePumpFactory)();
+  typedef std::unique_ptr<MessagePump>(MessagePumpFactory)();
   // Uses the given base::MessagePumpForUIFactory to override the default
   // MessagePump implementation for 'TYPE_UI'. Returns true if the factory
   // was successfully registered.
   static bool InitMessagePumpForUIFactory(MessagePumpFactory* factory);
 
   // Creates the default MessagePump based on |type|. Caller owns return
   // value.
-  static scoped_ptr<MessagePump> CreateMessagePumpForType(Type type);
+  static std::unique_ptr<MessagePump> CreateMessagePumpForType(Type type);
   // A DestructionObserver is notified when the current MessageLoop is being
   // destroyed.  These observers are notified prior to MessageLoop::current()
   // being changed to return NULL.  This gives interested parties the chance to
   // do final cleanup that depends on the MessageLoop.
   //
   // NOTE: Any tasks posted to the MessageLoop during this notification will
   // not be run.  Instead, they will be deleted.
   //
   class BASE_EXPORT DestructionObserver {
    public:
@@ skipping 244 matching lines @@
 
   // Returns the TaskAnnotator which is used to add debug information to posted
   // tasks.
   debug::TaskAnnotator* task_annotator() { return &task_annotator_; }
 
   // Runs the specified PendingTask.
   void RunTask(const PendingTask& pending_task);
 
   //----------------------------------------------------------------------------
  protected:
-  scoped_ptr<MessagePump> pump_;
+  std::unique_ptr<MessagePump> pump_;
 
-  using MessagePumpFactoryCallback = Callback<scoped_ptr<MessagePump>()>;
+  using MessagePumpFactoryCallback = Callback<std::unique_ptr<MessagePump>()>;
 
   // Common protected constructor. Other constructors delegate the
   // initialization to this constructor.
   // A subclass can invoke this constructor to create a message_loop of a
   // specific type with a custom loop. The implementation does not call
   // BindToCurrentThread. If this constructor is invoked directly by a subclass,
   // then the subclass must subsequently bind the message loop.
   MessageLoop(Type type, MessagePumpFactoryCallback pump_factory);
 
   // Configure various members and bind this message loop to the current thread.
@@ skipping 10 matching lines @@
   // If |type| is TYPE_CUSTOM non-null |pump_factory| must be also given
   // to create a message pump for this message loop.  Otherwise a default
   // message pump for the |type| is created.
   //
   // It is valid to call this to create a new message loop on one thread,
   // and then pass it to the thread where the message loop actually runs.
   // The message loop's BindToCurrentThread() method must be called on the
   // thread the message loop runs on, before calling Run().
   // Before BindToCurrentThread() is called, only Post*Task() functions can
   // be called on the message loop.
-  static scoped_ptr<MessageLoop> CreateUnbound(
+  static std::unique_ptr<MessageLoop> CreateUnbound(
       Type type,
       MessagePumpFactoryCallback pump_factory);
 
   // Sets the ThreadTaskRunnerHandle for the current thread to point to the
   // task runner for this message loop.
   void SetThreadTaskRunnerHandle();
 
   // Invokes the actual run loop using the message pump.
   void RunHandler();
 
@@ skipping 87 matching lines @@
 
   debug::TaskAnnotator task_annotator_;
 
   scoped_refptr<internal::IncomingTaskQueue> incoming_task_queue_;
 
   // A task runner which we haven't bound to a thread yet.
   scoped_refptr<internal::MessageLoopTaskRunner> unbound_task_runner_;
 
   // The task runner associated with this message loop.
   scoped_refptr<SingleThreadTaskRunner> task_runner_;
-  scoped_ptr<ThreadTaskRunnerHandle> thread_task_runner_handle_;
+  std::unique_ptr<ThreadTaskRunnerHandle> thread_task_runner_handle_;
 
   template <class T, class R> friend class base::subtle::DeleteHelperInternal;
   template <class T, class R> friend class base::subtle::ReleaseHelperInternal;
 
   void DeleteSoonInternal(const tracked_objects::Location& from_here,
                           void(*deleter)(const void*),
                           const void* object);
   void ReleaseSoonInternal(const tracked_objects::Location& from_here,
                            void(*releaser)(const void*),
                            const void* object);
 
   DISALLOW_COPY_AND_ASSIGN(MessageLoop);
 };
 
 #if !defined(OS_NACL)
 
 //-----------------------------------------------------------------------------
 // MessageLoopForUI extends MessageLoop with methods that are particular to a
 // MessageLoop instantiated with TYPE_UI.
 //
 // This class is typically used like so:
 //   MessageLoopForUI::current()->...call some method...
 //
 class BASE_EXPORT MessageLoopForUI : public MessageLoop {
  public:
   MessageLoopForUI() : MessageLoop(TYPE_UI) {
   }
 
-  explicit MessageLoopForUI(scoped_ptr<MessagePump> pump);
+  explicit MessageLoopForUI(std::unique_ptr<MessagePump> pump);
 
   // Returns the MessageLoopForUI of the current thread.
   static MessageLoopForUI* current() {
     MessageLoop* loop = MessageLoop::current();
     DCHECK(loop);
     DCHECK(loop->IsType(MessageLoop::TYPE_UI));
     return static_cast<MessageLoopForUI*>(loop);
   }
 
   static bool IsCurrent() {
@@ skipping 110 matching lines @@
 
 // Do not add any member variables to MessageLoopForIO!  This is important b/c
 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO).  Any extra
 // data that you need should be stored on the MessageLoop's pump_ instance.
 static_assert(sizeof(MessageLoop) == sizeof(MessageLoopForIO),
               "MessageLoopForIO should not have extra member variables");
 
 }  // namespace base
 
 #endif  // BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_