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

chrome/browser/sync_file_system/drive_backend/sync_task_manager.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 "chrome/browser/sync_file_system/drive_backend/sync_task_manager.h"
 
+#include <memory>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/sequenced_task_runner.h"
 #include "chrome/browser/sync_file_system/drive_backend/sync_task.h"
 #include "chrome/browser/sync_file_system/drive_backend/sync_task_token.h"
 #include "chrome/browser/sync_file_system/sync_file_metadata.h"
 
 using storage::FileSystemURL;
 
 namespace sync_file_system {
 namespace drive_backend {
 
@@ skipping 65 matching lines @@
 }
 
 void SyncTaskManager::ScheduleTask(
     const tracked_objects::Location& from_here,
     const Task& task,
     Priority priority,
     const SyncStatusCallback& callback) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 
   ScheduleSyncTask(from_here,
-                   scoped_ptr<SyncTask>(new SyncTaskAdapter(task)),
-                   priority,
-                   callback);
+                   std::unique_ptr<SyncTask>(new SyncTaskAdapter(task)),
+                   priority, callback);
 }
 
 void SyncTaskManager::ScheduleSyncTask(
     const tracked_objects::Location& from_here,
-    scoped_ptr<SyncTask> task,
+    std::unique_ptr<SyncTask> task,
     Priority priority,
     const SyncStatusCallback& callback) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 
-  scoped_ptr<SyncTaskToken> token(GetToken(from_here, callback));
+  std::unique_ptr<SyncTaskToken> token(GetToken(from_here, callback));
   if (!token) {
     PushPendingTask(
         base::Bind(&SyncTaskManager::ScheduleSyncTask,
                    weak_ptr_factory_.GetWeakPtr(), from_here,
                    base::Passed(&task), priority, callback),
         priority);
     return;
   }
   RunTask(std::move(token), std::move(task));
 }
 
 bool SyncTaskManager::ScheduleTaskIfIdle(
         const tracked_objects::Location& from_here,
         const Task& task,
         const SyncStatusCallback& callback) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 
   return ScheduleSyncTaskIfIdle(
-      from_here,
-      scoped_ptr<SyncTask>(new SyncTaskAdapter(task)),
+      from_here, std::unique_ptr<SyncTask>(new SyncTaskAdapter(task)),
       callback);
 }
 
 bool SyncTaskManager::ScheduleSyncTaskIfIdle(
     const tracked_objects::Location& from_here,
-    scoped_ptr<SyncTask> task,
+    std::unique_ptr<SyncTask> task,
     const SyncStatusCallback& callback) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 
-  scoped_ptr<SyncTaskToken> token(GetToken(from_here, callback));
+  std::unique_ptr<SyncTaskToken> token(GetToken(from_here, callback));
   if (!token)
     return false;
   RunTask(std::move(token), std::move(task));
   return true;
 }
 
 // static
-void SyncTaskManager::NotifyTaskDone(scoped_ptr<SyncTaskToken> token,
+void SyncTaskManager::NotifyTaskDone(std::unique_ptr<SyncTaskToken> token,
                                      SyncStatusCode status) {
   DCHECK(token);
 
   SyncTaskManager* manager = token->manager();
   if (token->token_id() == SyncTaskToken::kTestingTaskTokenID) {
     DCHECK(!manager);
     SyncStatusCallback callback = token->callback();
     token->clear_callback();
     callback.Run(status);
     return;
   }
 
   if (manager)
     manager->NotifyTaskDoneBody(std::move(token), status);
 }
 
 // static
 void SyncTaskManager::UpdateTaskBlocker(
-    scoped_ptr<SyncTaskToken> current_task_token,
-    scoped_ptr<TaskBlocker> task_blocker,
+    std::unique_ptr<SyncTaskToken> current_task_token,
+    std::unique_ptr<TaskBlocker> task_blocker,
     const Continuation& continuation) {
   DCHECK(current_task_token);
 
   SyncTaskManager* manager = current_task_token->manager();
   if (current_task_token->token_id() == SyncTaskToken::kTestingTaskTokenID) {
     DCHECK(!manager);
     continuation.Run(std::move(current_task_token));
     return;
   }
 
   if (!manager)
     return;
 
-  scoped_ptr<SyncTaskToken> foreground_task_token;
-  scoped_ptr<SyncTaskToken> background_task_token;
-  scoped_ptr<TaskLogger::TaskLog> task_log = current_task_token->PassTaskLog();
+  std::unique_ptr<SyncTaskToken> foreground_task_token;
+  std::unique_ptr<SyncTaskToken> background_task_token;
+  std::unique_ptr<TaskLogger::TaskLog> task_log =
+      current_task_token->PassTaskLog();
   if (current_task_token->token_id() == SyncTaskToken::kForegroundTaskTokenID)
     foreground_task_token = std::move(current_task_token);
   else
     background_task_token = std::move(current_task_token);
 
   manager->UpdateTaskBlockerBody(
       std::move(foreground_task_token), std::move(background_task_token),
       std::move(task_log), std::move(task_blocker), continuation);
 }
 
@@ skipping 11 matching lines @@
 }
 
 void SyncTaskManager::DetachFromSequence() {
   sequence_checker_.DetachFromSequence();
 }
 
 bool SyncTaskManager::ShouldTrackTaskToken() const {
   return !worker_pool_ || !worker_pool_->IsShutdownInProgress();
 }
 
-void SyncTaskManager::NotifyTaskDoneBody(scoped_ptr<SyncTaskToken> token,
+void SyncTaskManager::NotifyTaskDoneBody(std::unique_ptr<SyncTaskToken> token,
                                          SyncStatusCode status) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
   DCHECK(token);
 
   DVLOG(3) << "NotifyTaskDone: " << "finished with status=" << status
            << " (" << SyncStatusCodeToString(status) << ")"
            << " " << token->location().ToString();
 
   if (token->task_blocker()) {
     dependency_manager_.Erase(token->task_blocker());
     token->clear_task_blocker();
   }
 
   if (client_) {
     if (token->has_task_log()) {
       token->FinalizeTaskLog(SyncStatusCodeToString(status));
       client_->RecordTaskLog(token->PassTaskLog());
     }
   }
 
-  scoped_ptr<SyncTask> task;
+  std::unique_ptr<SyncTask> task;
   SyncStatusCallback callback = token->callback();
   token->clear_callback();
   if (token->token_id() == SyncTaskToken::kForegroundTaskTokenID) {
     token_ = std::move(token);
     task = std::move(running_foreground_task_);
   } else {
     task = running_background_tasks_.take_and_erase(token->token_id());
   }
 
   // Acquire the token to prevent a new task to jump into the queue.
@@ skipping 11 matching lines @@
 
   // Post MaybeStartNextForegroundTask rather than calling it directly to avoid
   // making the call-chaing longer.
   task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&SyncTaskManager::MaybeStartNextForegroundTask,
                  weak_ptr_factory_.GetWeakPtr(), base::Passed(&token)));
 }
 
 void SyncTaskManager::UpdateTaskBlockerBody(
-    scoped_ptr<SyncTaskToken> foreground_task_token,
-    scoped_ptr<SyncTaskToken> background_task_token,
-    scoped_ptr<TaskLogger::TaskLog> task_log,
-    scoped_ptr<TaskBlocker> task_blocker,
+    std::unique_ptr<SyncTaskToken> foreground_task_token,
+    std::unique_ptr<SyncTaskToken> background_task_token,
+    std::unique_ptr<TaskLogger::TaskLog> task_log,
+    std::unique_ptr<TaskBlocker> task_blocker,
     const Continuation& continuation) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 
   // Run the task directly if the parallelization is disabled.
   if (!maximum_background_task_) {
     DCHECK(foreground_task_token);
     DCHECK(!background_task_token);
     foreground_task_token->SetTaskLog(std::move(task_log));
     continuation.Run(std::move(foreground_task_token));
     return;
@@ skipping 64 matching lines @@
     running_background_tasks_.set(background_task_token->token_id(),
                                   std::move(running_foreground_task_));
   }
 
   token_ = std::move(foreground_task_token);
   MaybeStartNextForegroundTask(nullptr);
   background_task_token->SetTaskLog(std::move(task_log));
   continuation.Run(std::move(background_task_token));
 }
 
-scoped_ptr<SyncTaskToken> SyncTaskManager::GetToken(
+std::unique_ptr<SyncTaskToken> SyncTaskManager::GetToken(
     const tracked_objects::Location& from_here,
     const SyncStatusCallback& callback) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 
   if (!token_)
     return nullptr;
   token_->UpdateTask(from_here, callback);
   return std::move(token_);
 }
 
 void SyncTaskManager::PushPendingTask(
     const base::Closure& closure, Priority priority) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 
   pending_tasks_.push(PendingTask(closure, priority, pending_task_seq_++));
 }
 
-void SyncTaskManager::RunTask(scoped_ptr<SyncTaskToken> token,
-                              scoped_ptr<SyncTask> task) {
+void SyncTaskManager::RunTask(std::unique_ptr<SyncTaskToken> token,
+                              std::unique_ptr<SyncTask> task) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
   DCHECK(!running_foreground_task_);
 
   running_foreground_task_ = std::move(task);
   running_foreground_task_->RunPreflight(std::move(token));
 }
 
 void SyncTaskManager::MaybeStartNextForegroundTask(
-    scoped_ptr<SyncTaskToken> token) {
+    std::unique_ptr<SyncTaskToken> token) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
 
   if (token) {
     DCHECK(!token_);
     token_ = std::move(token);
   }
 
   if (!pending_backgrounding_task_.is_null()) {
     base::Closure closure = pending_backgrounding_task_;
     pending_backgrounding_task_.Reset();
@@ skipping 10 matching lines @@
     closure.Run();
     return;
   }
 
   if (client_)
     client_->MaybeScheduleNextTask();
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system