Move code to clear web databases on shutdown to the database tracker

webkit/database/vfs_backend.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 "webkit/database/vfs_backend.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "third_party/sqlite/sqlite3.h"
@@ skipping 85 matching lines @@
   if (desired_flags & SQLITE_OPEN_EXCLUSIVE) {
     flags |= base::PLATFORM_FILE_EXCLUSIVE_READ |
              base::PLATFORM_FILE_EXCLUSIVE_WRITE;
   }
 
   if (desired_flags & SQLITE_OPEN_DELETEONCLOSE) {
     flags |= base::PLATFORM_FILE_TEMPORARY | base::PLATFORM_FILE_HIDDEN |
              base::PLATFORM_FILE_DELETE_ON_CLOSE;
   }
 
+  // This flag will allow us to delete the file later on from the browser
+  // process.
+  flags |= base::PLATFORM_FILE_SHARE_DELETE;

[michaeln, 2011/07/01 03:02:34]

Please try this on the layout test try bots too. I'm wondering if SHARE_DELETE
will butt heads with EXCLUSIVE_READ and EXCLUSIVE_WRITE?

gcl try XXX --bot mac_layout,win_layout,linux_layout

[jochen (gone - plz use gerrit), 2011/07/06 09:24:53]

I'll do that, however, test_shell_tests is already executed on the regular bots

+
   // Try to open/create the DB file.
   *file_handle =
       base::CreatePlatformFile(file_path, flags, NULL, NULL);
 }
 
 // static
 void VfsBackend::OpenTempFileInDirectory(
     const FilePath& dir_path,
     int desired_flags,
     base::PlatformFile* file_handle) {
@@ skipping 52 matching lines @@
   return attributes;
 }
 
 // static
 int64 VfsBackend::GetFileSize(const FilePath& file_path) {
   int64 size = 0;
   return (file_util::GetFileSize(file_path, &size) ? size : 0);
 }
 
 } // namespace webkit_database