Add SetFileSize() IPC for WebSQL.

content/child/database_util.cc

Index: content/child/database_util.cc
diff --git a/content/child/database_util.cc b/content/child/database_util.cc
index 34cf1575a38c127e834a89be2563690716c8e09e..3a0e80b266a45a964343ab4af1827a76262a31d1 100644
--- a/content/child/database_util.cc
+++ b/content/child/database_util.cc
@@ -21,8 +21,7 @@ Platform::FileHandle DatabaseUtil::DatabaseOpenFile(
   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);
@@ -33,9 +32,8 @@ int DatabaseUtil::DatabaseDeleteFile(
     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;
 }
 
@@ -43,8 +41,8 @@ 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;
 }
 
@@ -52,8 +50,8 @@ 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;
 }
 
@@ -61,9 +59,18 @@ 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;
 }