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

chrome/browser/sync_file_system/drive_backend/drive_backend_test_util.cc

 // 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.
 
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_test_util.h"
 
 #include <set>
 #include <string>
 
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_constants.h"
@@ skipping 39 matching lines @@
   EXPECT_EQ(left.parent_tracker_id(), right.parent_tracker_id());
   EXPECT_EQ(left.file_id(), right.file_id());
   EXPECT_EQ(left.app_id(), right.app_id());
   EXPECT_EQ(left.tracker_kind(), right.tracker_kind());
   ExpectEquivalentDetails(left.synced_details(), right.synced_details());
   EXPECT_EQ(left.dirty(), right.dirty());
   EXPECT_EQ(left.active(), right.active());
   EXPECT_EQ(left.needs_folder_listing(), right.needs_folder_listing());
 }
 
-scoped_ptr<FileMetadata> CreateFolderMetadata(const std::string& file_id,
-                                              const std::string& title) {
+std::unique_ptr<FileMetadata> CreateFolderMetadata(const std::string& file_id,
+                                                   const std::string& title) {
   FileDetails details;
   details.set_title(title);
   details.set_file_kind(FILE_KIND_FOLDER);
   details.set_missing(false);
 
-  scoped_ptr<FileMetadata> metadata(new FileMetadata);
+  std::unique_ptr<FileMetadata> metadata(new FileMetadata);
   metadata->set_file_id(file_id);
   *metadata->mutable_details() = details;
 
   return metadata;
 }
 
-scoped_ptr<FileMetadata> CreateFileMetadata(const std::string& file_id,
-                                            const std::string& title,
-                                            const std::string& md5) {
+std::unique_ptr<FileMetadata> CreateFileMetadata(const std::string& file_id,
+                                                 const std::string& title,
+                                                 const std::string& md5) {
   FileDetails details;
   details.set_title(title);
   details.set_file_kind(FILE_KIND_FILE);
   details.set_missing(false);
   details.set_md5(md5);
 
-  scoped_ptr<FileMetadata> metadata(new FileMetadata);
+  std::unique_ptr<FileMetadata> metadata(new FileMetadata);
   metadata->set_file_id(file_id);
   *metadata->mutable_details() = details;
 
   return metadata;
 }
 
-scoped_ptr<FileTracker> CreateTracker(const FileMetadata& metadata,
-                                      int64_t tracker_id,
-                                      const FileTracker* parent_tracker) {
-  scoped_ptr<FileTracker> tracker(new FileTracker);
+std::unique_ptr<FileTracker> CreateTracker(const FileMetadata& metadata,
+                                           int64_t tracker_id,
+                                           const FileTracker* parent_tracker) {
+  std::unique_ptr<FileTracker> tracker(new FileTracker);
   tracker->set_tracker_id(tracker_id);
   int64_t parent_id =
       parent_tracker ? parent_tracker->tracker_id() : kInvalidTrackerID;
   tracker->set_parent_tracker_id(parent_id);
   tracker->set_file_id(metadata.file_id());
   if (parent_tracker)
     tracker->set_app_id(parent_tracker->app_id());
   tracker->set_tracker_kind(TRACKER_KIND_REGULAR);
   *tracker->mutable_synced_details() = metadata.details();
   tracker->set_dirty(false);
   tracker->set_active(true);
   tracker->set_needs_folder_listing(false);
   return tracker;
 }
 
-scoped_ptr<FileTracker> CreatePlaceholderTracker(
+std::unique_ptr<FileTracker> CreatePlaceholderTracker(
     const std::string& file_id,
     int64_t tracker_id,
     const FileTracker* parent_tracker) {
-  scoped_ptr<FileTracker> tracker(new FileTracker);
+  std::unique_ptr<FileTracker> tracker(new FileTracker);
   tracker->set_tracker_id(tracker_id);
   if (parent_tracker)
     tracker->set_parent_tracker_id(parent_tracker->tracker_id());
   tracker->set_file_id(file_id);
   if (parent_tracker)
     tracker->set_app_id(parent_tracker->app_id());
   tracker->set_tracker_kind(TRACKER_KIND_REGULAR);
   tracker->set_dirty(true);
   tracker->set_active(false);
   tracker->set_needs_folder_listing(false);
   return tracker;
 }
 
 FileResourceKind GetFileResourceKind(
     const google_apis::FileResource& resource) {
   if (resource.IsDirectory())
     return RESOURCE_KIND_FOLDER;
   else
     return RESOURCE_KIND_FILE;
 }
 
 }  // namespace test_util
 }  // namespace drive_backend
 }  // namespace sync_file_system