Revert 232547 "Pepper: Move FileIO host from renderer to browser."

trunk/src/webkit/browser/fileapi/file_system_operation_runner.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 "webkit/browser/fileapi/file_system_operation_runner.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/stl_util.h"
 #include "net/url_request/url_request_context.h"
@@ skipping 321 matching lines @@
   operation->TouchFile(
       url, last_access_time, last_modified_time,
       base::Bind(&FileSystemOperationRunner::DidFinish, AsWeakPtr(),
                  handle, callback));
   return handle.id;
 }
 
 OperationID FileSystemOperationRunner::OpenFile(
     const FileSystemURL& url,
     int file_flags,
+    base::ProcessHandle peer_handle,
     const OpenFileCallback& callback) {
   base::PlatformFileError error = base::PLATFORM_FILE_OK;
   FileSystemOperation* operation =
       file_system_context_->CreateFileSystemOperation(url, &error);
   BeginOperationScoper scope;
   OperationHandle handle = BeginOperation(operation, scope.AsWeakPtr());
   if (!operation) {
     DidOpenFile(handle, callback, error, base::kInvalidPlatformFileValue,
-                base::Closure());
+                base::Closure(), base::ProcessHandle());
     return handle.id;
   }
   if (file_flags &
       (base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_OPEN_ALWAYS |
        base::PLATFORM_FILE_CREATE_ALWAYS | base::PLATFORM_FILE_OPEN_TRUNCATED |
        base::PLATFORM_FILE_WRITE | base::PLATFORM_FILE_EXCLUSIVE_WRITE |
        base::PLATFORM_FILE_DELETE_ON_CLOSE |
        base::PLATFORM_FILE_WRITE_ATTRIBUTES)) {
     PrepareForWrite(handle.id, url);
   } else {
     PrepareForRead(handle.id, url);
   }
   operation->OpenFile(
-      url, file_flags,
+      url, file_flags, peer_handle,
       base::Bind(&FileSystemOperationRunner::DidOpenFile, AsWeakPtr(),
                  handle, callback));
   return handle.id;
 }
 
 OperationID FileSystemOperationRunner::CreateSnapshotFile(
     const FileSystemURL& url,
     const SnapshotFileCallback& callback) {
   base::PlatformFileError error = base::PLATFORM_FILE_OK;
   FileSystemOperation* operation =
@@ skipping 195 matching lines @@
   callback.Run(rv, bytes, complete);
   if (rv != base::PLATFORM_FILE_OK || complete)
     FinishOperation(handle.id);
 }
 
 void FileSystemOperationRunner::DidOpenFile(
     const OperationHandle& handle,
     const OpenFileCallback& callback,
     base::PlatformFileError rv,
     base::PlatformFile file,
-    const base::Closure& on_close_callback) {
+    const base::Closure& on_close_callback,
+    base::ProcessHandle peer_handle) {
   if (handle.scope) {
     finished_operations_.insert(handle.id);
     base::MessageLoopProxy::current()->PostTask(
         FROM_HERE, base::Bind(&FileSystemOperationRunner::DidOpenFile,
                               AsWeakPtr(), handle, callback, rv, file,
-                              on_close_callback));
+                              on_close_callback, peer_handle));
     return;
   }
-  callback.Run(rv, file, on_close_callback);
+  callback.Run(rv, file, on_close_callback, peer_handle);
   FinishOperation(handle.id);
 }
 
 void FileSystemOperationRunner::DidCreateSnapshot(
     const OperationHandle& handle,
     const SnapshotFileCallback& callback,
     base::PlatformFileError rv,
     const base::PlatformFileInfo& file_info,
     const base::FilePath& platform_path,
     const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref) {
@@ skipping 78 matching lines @@
       stray_cancel_callbacks_.find(id);
   if (found_cancel != stray_cancel_callbacks_.end()) {
     // This cancel has been requested after the operation has finished,
     // so report that we failed to stop it.
     found_cancel->second.Run(base::PLATFORM_FILE_ERROR_INVALID_OPERATION);
     stray_cancel_callbacks_.erase(found_cancel);
   }
 }
 
 }  // namespace fileapi