Deprecate CSS values zoom:reset and zoom:document.

third_party/WebKit/Source/core/frame/Deprecation.cpp

Index: third_party/WebKit/Source/core/frame/Deprecation.cpp
diff --git a/third_party/WebKit/Source/core/frame/Deprecation.cpp b/third_party/WebKit/Source/core/frame/Deprecation.cpp
index 0674c2ae7da096d8c5a3283f9bdca6a74e612a70..7ab9849d9f72a640a371fa8585bb398fb61afe39 100644
--- a/third_party/WebKit/Source/core/frame/Deprecation.cpp
+++ b/third_party/WebKit/Source/core/frame/Deprecation.cpp
@@ -411,6 +411,12 @@ String Deprecation::deprecationMessage(UseCounter::Feature feature) {
       return willBeRemoved("FileReaderSync in service workers", M59,
                            "5739144722513920");
 
+    case UseCounter::CSSZoomReset:
+      return willBeRemoved("\"zoom: reset\"", M59, "4997605029314560");
+
+    case UseCounter::CSSZoomDocument:
+      return willBeRemoved("\"zoom: document\"", M59, "4997605029314560");
+
     // Features that aren't deprecated don't have a deprecation message.
     default:
       return String();