Merge from Chromium at DEPS revision 228962

This commit was generated by merge_to_master.py.

Change-Id: Ifa868e6d63fe87d2338d9388aa5ea81f746d485f
diff --git a/Source/core/css/CSSRule.idl b/Source/core/css/CSSRule.idl
index 94ce538..2489d2d 100644
--- a/Source/core/css/CSSRule.idl
+++ b/Source/core/css/CSSRule.idl
@@ -37,8 +37,8 @@
     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;
-    [EnabledAtRuntime=CSSRegions] const unsigned short WEBKIT_REGION_RULE = 16;
+    [RuntimeEnabled=CSSViewport] const unsigned short VIEWPORT_RULE = 15;
+    [RuntimeEnabled=CSSRegions] const unsigned short WEBKIT_REGION_RULE = 16;
     const unsigned short WEBKIT_FILTER_RULE = 17;
     const unsigned short HOST_RULE = 1001;