Merge from Chromium at DEPS revision r220549

This commit was generated by merge_to_master.py.

Change-Id: I0d3288f5db2b121c1681ea8d4a70c964cbed1fbd
diff --git a/Source/core/css/CSSRule.idl b/Source/core/css/CSSRule.idl
index a1a19de..e9b0dde 100644
--- a/Source/core/css/CSSRule.idl
+++ b/Source/core/css/CSSRule.idl
@@ -33,7 +33,9 @@
     const unsigned short MEDIA_RULE = 4;
     const unsigned short FONT_FACE_RULE = 5;
     const unsigned short PAGE_RULE = 6;
+    const unsigned short KEYFRAMES_RULE = 7;
     const unsigned short WEBKIT_KEYFRAMES_RULE = 7;
+    const unsigned short KEYFRAME_RULE = 8;
     const unsigned short WEBKIT_KEYFRAME_RULE = 8;
     const unsigned short SUPPORTS_RULE = 12;
     [EnabledAtRuntime=cssViewport] const unsigned short VIEWPORT_RULE = 15;