IndexedDB: Fixed threading bugs with use of AtomicStrings.

Source/modules/modules_generated.gyp

+# Copyright 2014 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.
+{
+  'includes': [
+    'modules_generated.gypi',
+    '../bindings/scripts/scripts.gypi',
+    '../build/features.gypi',
+    '../build/scripts/scripts.gypi',
+  ],
+  'targets': [
+    {
+      # GN version: //third_party/WebKit/Source/modules:make_modules_generated
+      'target_name': 'make_modules_generated',
+      'type': 'none',
+      'hard_dependency': 1,
+      'dependencies': [
+        '../bindings/modules/generated.gyp:modules_event_generated',
+        '../config.gyp:config',
+      ],
+      'actions': [
+        {
+          'action_name': 'IndexedDBNames',
+          'inputs': [
+            '<@(make_names_files)',
+            'indexeddb/IndexedDBNames.in',
+          ],
+          'outputs': [
+            '<(blink_modules_output_dir)/IndexedDBNames.cpp',
+            '<(blink_modules_output_dir)/IndexedDBNames.h',
+          ],
+          'action': [
+            'python',
+            '../build/scripts/make_names.py',
+            'indexeddb/IndexedDBNames.in',
+            '--output_dir',
+            '<(blink_modules_output_dir)',
+          ],
+        },
+      ],
+    },
+  ],
+}