Add SetFileSize() IPC for WebSQL.

content/child/database_util.cc

 // Copyright (c) 2011 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 "content/child/database_util.h"
 
 #include "content/common/database_messages.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/sqlite/sqlite3.h"
 
 using blink::Platform;
 using blink::WebString;
 
 namespace content {
 
 Platform::FileHandle DatabaseUtil::DatabaseOpenFile(
     const WebString& vfs_file_name,
     int desired_flags,
     IPC::SyncMessageFilter* sync_message_filter) {
   IPC::PlatformFileForTransit file_handle =
       IPC::InvalidPlatformFileForTransit();
 
-  scoped_refptr<IPC::SyncMessageFilter> filter(sync_message_filter);
-  filter->Send(new DatabaseHostMsg_OpenFile(
+  sync_message_filter->Send(new DatabaseHostMsg_OpenFile(
       vfs_file_name, desired_flags, &file_handle));
 
   return IPC::PlatformFileForTransitToPlatformFile(file_handle);
 }
 
 int DatabaseUtil::DatabaseDeleteFile(
     const WebString& vfs_file_name,
     bool sync_dir,
     IPC::SyncMessageFilter* sync_message_filter) {
   int rv = SQLITE_IOERR_DELETE;
-  scoped_refptr<IPC::SyncMessageFilter> filter(sync_message_filter);
-  filter->Send(new DatabaseHostMsg_DeleteFile(
-      vfs_file_name, sync_dir, &rv));
+  sync_message_filter->Send(
+      new DatabaseHostMsg_DeleteFile(vfs_file_name, sync_dir, &rv));
   return rv;
 }
 
 long DatabaseUtil::DatabaseGetFileAttributes(
     const WebString& vfs_file_name,
     IPC::SyncMessageFilter* sync_message_filter) {
   int32 rv = -1;
-  scoped_refptr<IPC::SyncMessageFilter> filter(sync_message_filter);
-  filter->Send(new DatabaseHostMsg_GetFileAttributes(vfs_file_name, &rv));
+  sync_message_filter->Send(
+      new DatabaseHostMsg_GetFileAttributes(vfs_file_name, &rv));
   return rv;
 }
 
 long long DatabaseUtil::DatabaseGetFileSize(
     const WebString& vfs_file_name,
     IPC::SyncMessageFilter* sync_message_filter) {
   int64 rv = 0LL;
-  scoped_refptr<IPC::SyncMessageFilter> filter(sync_message_filter);
-  filter->Send(new DatabaseHostMsg_GetFileSize(vfs_file_name, &rv));
+  sync_message_filter->Send(
+      new DatabaseHostMsg_GetFileSize(vfs_file_name, &rv));
   return rv;
 }
 
 long long DatabaseUtil::DatabaseGetSpaceAvailable(
     const WebString& origin_identifier,
     IPC::SyncMessageFilter* sync_message_filter) {
   int64 rv = 0LL;
-  scoped_refptr<IPC::SyncMessageFilter> filter(sync_message_filter);
-  filter->Send(new DatabaseHostMsg_GetSpaceAvailable(origin_identifier.utf8(),
-                                                     &rv));
+  sync_message_filter->Send(
+      new DatabaseHostMsg_GetSpaceAvailable(origin_identifier.utf8(), &rv));
   return rv;
 }
 
+bool DatabaseUtil::DatabaseSetFileSize(
+    const WebString& vfs_file_name,
+    int64 size,
+    IPC::SyncMessageFilter* sync_message_filter) {
+  bool rv = false;
+  sync_message_filter->Send(
+      new DatabaseHostMsg_SetFileSize(vfs_file_name, size, &rv));
+  return rv;
+}
+
 }  // namespace content