Rename VisualViewport properties to match updated spec

third_party/WebKit/Source/core/frame/VisualViewport.idl

Index: third_party/WebKit/Source/core/frame/VisualViewport.idl
diff --git a/third_party/WebKit/Source/core/frame/VisualViewport.idl b/third_party/WebKit/Source/core/frame/VisualViewport.idl
index b3142ba2ba98f0955767238455f1bf1fe194ed7b..d956a89c222ac388a380fbb52e44fe7a23edcff4 100644
--- a/third_party/WebKit/Source/core/frame/VisualViewport.idl
+++ b/third_party/WebKit/Source/core/frame/VisualViewport.idl
@@ -30,14 +30,14 @@
     RuntimeEnabled=VisualViewportAPI,
     ImplementedAs=DOMVisualViewport,
 ] interface VisualViewport : EventTarget {
-    [Measure] readonly attribute double scrollLeft;
-    [Measure] readonly attribute double scrollTop;
+    [Measure] readonly attribute double offsetLeft;
+    [Measure] readonly attribute double offsetTop;
 
-    [Measure] readonly attribute double pageX;
-    [Measure] readonly attribute double pageY;
+    [Measure] readonly attribute double pageLeft;
+    [Measure] readonly attribute double pageTop;
 
-    [Measure] readonly attribute double clientWidth;
-    [Measure] readonly attribute double clientHeight;
+    [Measure] readonly attribute double width;
+    [Measure] readonly attribute double height;
 
     [Measure] readonly attribute double scale;
 };