Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

modules/wake_lock/ScreenWakeLock.idl

Index: modules/wake_lock/ScreenWakeLock.idl
diff --git a/modules/webgl/WebGLSync.idl b/modules/wake_lock/ScreenWakeLock.idl
similarity index 65%
copy from modules/webgl/WebGLSync.idl
copy to modules/wake_lock/ScreenWakeLock.idl
index a401e20aa857447b84d5b6878d452cafca642fe5..38b8d262a3e28f639cdaf547495bcce1eb47f5bf 100644
--- a/modules/webgl/WebGLSync.idl
+++ b/modules/wake_lock/ScreenWakeLock.idl
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-[
-    RuntimeEnabled=UnsafeES3APIs,
-    WillBeGarbageCollected
-] interface WebGLSync {
-};
+[RuntimeEnabled=WakeLock] partial interface Screen {
+    attribute boolean keepAwake;
+};