Convert Pass()→std::move() in //storage

storage/browser/fileapi/file_system_operation_impl.cc

Index: storage/browser/fileapi/file_system_operation_impl.cc
diff --git a/storage/browser/fileapi/file_system_operation_impl.cc b/storage/browser/fileapi/file_system_operation_impl.cc
index 84d80f623fd066500c62278a401435ac56ec486a..15700f060c4e17eb4cf27b287fd0ceed33c0e5e0 100644
--- a/storage/browser/fileapi/file_system_operation_impl.cc
+++ b/storage/browser/fileapi/file_system_operation_impl.cc
@@ -5,8 +5,8 @@
 #include "storage/browser/fileapi/file_system_operation_impl.h"
 
 #include <stdint.h>
-
 #include <limits>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
@@ -49,7 +49,7 @@ void DidOpenFile(
         base::Bind(&Destruct, base::Passed(&file)));
     return;
   }
-  callback.Run(file.Pass(), on_close_callback);
+  callback.Run(std::move(file), on_close_callback);
 }
 
 }  // namespace
@@ -59,7 +59,7 @@ FileSystemOperation* FileSystemOperation::Create(
     FileSystemContext* file_system_context,
     scoped_ptr<FileSystemOperationContext> operation_context) {
   return new FileSystemOperationImpl(url, file_system_context,
-                                     operation_context.Pass());
+                                     std::move(operation_context));
 }
 
 FileSystemOperationImpl::~FileSystemOperationImpl() {
@@ -135,7 +135,7 @@ void FileSystemOperationImpl::DirectoryExists(const FileSystemURL& url,
                                               const StatusCallback& callback) {
   DCHECK(SetPendingOperationType(kOperationDirectoryExists));
   async_file_util_->GetFileInfo(
-      operation_context_.Pass(), url, GET_METADATA_FIELD_IS_DIRECTORY,
+      std::move(operation_context_), url, GET_METADATA_FIELD_IS_DIRECTORY,
       base::Bind(&FileSystemOperationImpl::DidDirectoryExists,
                  weak_factory_.GetWeakPtr(), callback));
 }
@@ -144,7 +144,7 @@ void FileSystemOperationImpl::FileExists(const FileSystemURL& url,
                                          const StatusCallback& callback) {
   DCHECK(SetPendingOperationType(kOperationFileExists));
   async_file_util_->GetFileInfo(
-      operation_context_.Pass(), url, GET_METADATA_FIELD_IS_DIRECTORY,
+      std::move(operation_context_), url, GET_METADATA_FIELD_IS_DIRECTORY,
       base::Bind(&FileSystemOperationImpl::DidFileExists,
                  weak_factory_.GetWeakPtr(), callback));
 }
@@ -153,15 +153,14 @@ void FileSystemOperationImpl::GetMetadata(const FileSystemURL& url,
                                           int fields,
                                           const GetMetadataCallback& callback) {
   DCHECK(SetPendingOperationType(kOperationGetMetadata));
-  async_file_util_->GetFileInfo(operation_context_.Pass(), url, fields,
+  async_file_util_->GetFileInfo(std::move(operation_context_), url, fields,
                                 callback);
 }
 
 void FileSystemOperationImpl::ReadDirectory(
     const FileSystemURL& url, const ReadDirectoryCallback& callback) {
   DCHECK(SetPendingOperationType(kOperationReadDirectory));
-  async_file_util_->ReadDirectory(
-      operation_context_.Pass(), url, callback);
+  async_file_util_->ReadDirectory(std::move(operation_context_), url, callback);
 }
 
 void FileSystemOperationImpl::Remove(const FileSystemURL& url,
@@ -175,7 +174,7 @@ void FileSystemOperationImpl::Remove(const FileSystemURL& url,
     // first. If not supported, it is delegated to RemoveOperationDelegate
     // in DidDeleteRecursively.
     async_file_util_->DeleteRecursively(
-        operation_context_.Pass(), url,
+        std::move(operation_context_), url,
         base::Bind(&FileSystemOperationImpl::DidDeleteRecursively,
                    weak_factory_.GetWeakPtr(), url, callback));
     return;
@@ -195,11 +194,11 @@ void FileSystemOperationImpl::Write(
     scoped_ptr<net::URLRequest> blob_request,
     const WriteCallback& callback) {
   DCHECK(SetPendingOperationType(kOperationWrite));
-  file_writer_delegate_ = writer_delegate.Pass();
+  file_writer_delegate_ = std::move(writer_delegate);
   file_writer_delegate_->Start(
-      blob_request.Pass(),
-      base::Bind(&FileSystemOperationImpl::DidWrite,
-                 weak_factory_.GetWeakPtr(), url, callback));
+      std::move(blob_request),
+      base::Bind(&FileSystemOperationImpl::DidWrite, weak_factory_.GetWeakPtr(),
+                 url, callback));
 }
 
 void FileSystemOperationImpl::Truncate(const FileSystemURL& url,
@@ -227,8 +226,7 @@ void FileSystemOperationImpl::TouchFile(const FileSystemURL& url,
   TRACE_EVENT0("io", "FileSystemOperationImpl::TouchFile");
 
   async_file_util_->Touch(
-      operation_context_.Pass(), url,
-      last_access_time, last_modified_time,
+      std::move(operation_context_), url, last_access_time, last_modified_time,
       base::Bind(&FileSystemOperationImpl::DidFinishOperation,
                  weak_factory_.GetWeakPtr(), callback));
 }
@@ -281,8 +279,8 @@ void FileSystemOperationImpl::CreateSnapshotFile(
     const FileSystemURL& url,
     const SnapshotFileCallback& callback) {
   DCHECK(SetPendingOperationType(kOperationCreateSnapshotFile));
-  async_file_util_->CreateSnapshotFile(
-      operation_context_.Pass(), url, callback);
+  async_file_util_->CreateSnapshotFile(std::move(operation_context_), url,
+                                       callback);
 }
 
 void FileSystemOperationImpl::CopyInForeignFile(
@@ -307,7 +305,7 @@ void FileSystemOperationImpl::RemoveFile(
     const StatusCallback& callback) {
   DCHECK(SetPendingOperationType(kOperationRemove));
   async_file_util_->DeleteFile(
-      operation_context_.Pass(), url,
+      std::move(operation_context_), url,
       base::Bind(&FileSystemOperationImpl::DidFinishOperation,
                  weak_factory_.GetWeakPtr(), callback));
 }
@@ -317,7 +315,7 @@ void FileSystemOperationImpl::RemoveDirectory(
     const StatusCallback& callback) {
   DCHECK(SetPendingOperationType(kOperationRemove));
   async_file_util_->DeleteDirectory(
-      operation_context_.Pass(), url,
+      std::move(operation_context_), url,
       base::Bind(&FileSystemOperationImpl::DidFinishOperation,
                  weak_factory_.GetWeakPtr(), callback));
 }
@@ -378,7 +376,7 @@ FileSystemOperationImpl::FileSystemOperationImpl(
     FileSystemContext* file_system_context,
     scoped_ptr<FileSystemOperationContext> operation_context)
     : file_system_context_(file_system_context),
-      operation_context_(operation_context.Pass()),
+      operation_context_(std::move(operation_context)),
       async_file_util_(NULL),
       pending_operation_(kOperationNone),
       weak_factory_(this) {
@@ -434,11 +432,10 @@ void FileSystemOperationImpl::DoCreateFile(
     const StatusCallback& callback,
     bool exclusive) {
   async_file_util_->EnsureFileExists(
-      operation_context_.Pass(), url,
+      std::move(operation_context_), url,
       base::Bind(
-          exclusive ?
-              &FileSystemOperationImpl::DidEnsureFileExistsExclusive :
-              &FileSystemOperationImpl::DidEnsureFileExistsNonExclusive,
+          exclusive ? &FileSystemOperationImpl::DidEnsureFileExistsExclusive
+                    : &FileSystemOperationImpl::DidEnsureFileExistsNonExclusive,
           weak_factory_.GetWeakPtr(), callback));
 }
 
@@ -447,8 +444,7 @@ void FileSystemOperationImpl::DoCreateDirectory(
     const StatusCallback& callback,
     bool exclusive, bool recursive) {
   async_file_util_->CreateDirectory(
-      operation_context_.Pass(),
-      url, exclusive, recursive,
+      std::move(operation_context_), url, exclusive, recursive,
       base::Bind(&FileSystemOperationImpl::DidFinishOperation,
                  weak_factory_.GetWeakPtr(), callback));
 }
@@ -460,7 +456,8 @@ void FileSystemOperationImpl::DoCopyFileLocal(
     const CopyFileProgressCallback& progress_callback,
     const StatusCallback& callback) {
   async_file_util_->CopyFileLocal(
-      operation_context_.Pass(), src_url, dest_url, option, progress_callback,
+      std::move(operation_context_), src_url, dest_url, option,
+      progress_callback,
       base::Bind(&FileSystemOperationImpl::DidFinishOperation,
                  weak_factory_.GetWeakPtr(), callback));
 }
@@ -471,7 +468,7 @@ void FileSystemOperationImpl::DoMoveFileLocal(
     CopyOrMoveOption option,
     const StatusCallback& callback) {
   async_file_util_->MoveFileLocal(
-      operation_context_.Pass(), src_url, dest_url, option,
+      std::move(operation_context_), src_url, dest_url, option,
       base::Bind(&FileSystemOperationImpl::DidFinishOperation,
                  weak_factory_.GetWeakPtr(), callback));
 }
@@ -481,8 +478,7 @@ void FileSystemOperationImpl::DoCopyInForeignFile(
     const FileSystemURL& dest_url,
     const StatusCallback& callback) {
   async_file_util_->CopyInForeignFile(
-      operation_context_.Pass(),
-      src_local_disk_file_path, dest_url,
+      std::move(operation_context_), src_local_disk_file_path, dest_url,
       base::Bind(&FileSystemOperationImpl::DidFinishOperation,
                  weak_factory_.GetWeakPtr(), callback));
 }
@@ -491,7 +487,7 @@ void FileSystemOperationImpl::DoTruncate(const FileSystemURL& url,
                                          const StatusCallback& callback,
                                          int64_t length) {
   async_file_util_->Truncate(
-      operation_context_.Pass(), url, length,
+      std::move(operation_context_), url, length,
       base::Bind(&FileSystemOperationImpl::DidFinishOperation,
                  weak_factory_.GetWeakPtr(), callback));
 }
@@ -500,9 +496,9 @@ void FileSystemOperationImpl::DoOpenFile(const FileSystemURL& url,
                                          const OpenFileCallback& callback,
                                          int file_flags) {
   async_file_util_->CreateOrOpen(
-      operation_context_.Pass(), url, file_flags,
-      base::Bind(&DidOpenFile,
-                 file_system_context_, weak_factory_.GetWeakPtr(), callback));
+      std::move(operation_context_), url, file_flags,
+      base::Bind(&DidOpenFile, file_system_context_, weak_factory_.GetWeakPtr(),
+                 callback));
 }
 
 void FileSystemOperationImpl::DidEnsureFileExistsExclusive(