Use explicit WebString <-> string16 conversion methods in storage API files

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 2dd4754a24962f6bfcaeae3a3f6566848f43b921..7de4e50c57e3269bccf1cfeeb66087d62b0114b7 100644
--- a/content/child/database_util.cc
+++ b/content/child/database_util.cc
@@ -24,7 +24,7 @@ Platform::FileHandle DatabaseUtil::DatabaseOpenFile(
       IPC::InvalidPlatformFileForTransit();
 
   sync_message_filter->Send(new DatabaseHostMsg_OpenFile(
-      vfs_file_name, desired_flags, &file_handle));
+      vfs_file_name.utf16(), desired_flags, &file_handle));
 
   return IPC::PlatformFileForTransitToPlatformFile(file_handle);
 }
@@ -35,7 +35,7 @@ int DatabaseUtil::DatabaseDeleteFile(
     IPC::SyncMessageFilter* sync_message_filter) {
   int rv = SQLITE_IOERR_DELETE;
   sync_message_filter->Send(
-      new DatabaseHostMsg_DeleteFile(vfs_file_name, sync_dir, &rv));
+      new DatabaseHostMsg_DeleteFile(vfs_file_name.utf16(), sync_dir, &rv));
   return rv;
 }
 
@@ -44,7 +44,7 @@ long DatabaseUtil::DatabaseGetFileAttributes(
     IPC::SyncMessageFilter* sync_message_filter) {
   int32_t rv = -1;
   sync_message_filter->Send(
-      new DatabaseHostMsg_GetFileAttributes(vfs_file_name, &rv));
+      new DatabaseHostMsg_GetFileAttributes(vfs_file_name.utf16(), &rv));
   return rv;
 }
 
@@ -53,7 +53,7 @@ long long DatabaseUtil::DatabaseGetFileSize(
     IPC::SyncMessageFilter* sync_message_filter) {
   int64_t rv = 0LL;
   sync_message_filter->Send(
-      new DatabaseHostMsg_GetFileSize(vfs_file_name, &rv));
+      new DatabaseHostMsg_GetFileSize(vfs_file_name.utf16(), &rv));
   return rv;
 }
 
@@ -71,7 +71,7 @@ bool DatabaseUtil::DatabaseSetFileSize(
     IPC::SyncMessageFilter* sync_message_filter) {
   bool rv = false;
   sync_message_filter->Send(
-      new DatabaseHostMsg_SetFileSize(vfs_file_name, size, &rv));
+      new DatabaseHostMsg_SetFileSize(vfs_file_name.utf16(), size, &rv));
   return rv;
 }