Split bindings/v8/custom into core and modules.

Source/bindings/modules/v8/custom/custom.gypi

Index: Source/bindings/modules/v8/custom/custom.gypi
diff --git a/Source/bindings/modules/v8/custom/custom.gypi b/Source/bindings/modules/v8/custom/custom.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..a546ba5f70a6e5a59e71712d5f0600d26abb620b
--- /dev/null
+++ b/Source/bindings/modules/v8/custom/custom.gypi
@@ -0,0 +1,20 @@
+# 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.
+
+{
+    'variables': {
+        'bindings_modules_v8_custom_files': [
+            'V8AudioNodeCustom.cpp',
+            'V8ClientCustom.cpp',
+            'V8CryptoCustom.cpp',
+            'V8DeviceMotionEventCustom.cpp',
+            'V8DeviceOrientationEventCustom.cpp',
+            'V8SQLResultSetRowListCustom.cpp',
+            'V8SQLTransactionCustom.cpp',
+            'V8SQLTransactionSyncCustom.cpp',
+            'V8ServiceWorkerCustom.cpp',
+            'V8SubtleCryptoCustom.cpp',
+        ],
+    },
+}