Deprecate SVGElement.offsetParent/offsetTop/offsetLeft/offsetWidth/offsetHeight

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

Index: third_party/WebKit/Source/core/frame/UseCounter.cpp
diff --git a/third_party/WebKit/Source/core/frame/UseCounter.cpp b/third_party/WebKit/Source/core/frame/UseCounter.cpp
index 829856f1f48067ca004e3792c2cf8f01886c3449..af9794713c7f69ae739faeb7e32e9f258e860a77 100644
--- a/third_party/WebKit/Source/core/frame/UseCounter.cpp
+++ b/third_party/WebKit/Source/core/frame/UseCounter.cpp
@@ -924,6 +924,7 @@ String UseCounter::deprecationMessage(Feature feature)
     case SVGSMILElementInDocument:
     case SVGSMILAnimationInImageRegardlessOfCache:
         return "SVG's SMIL animations (<animate>, <set>, etc.) are deprecated and will be removed. Please use CSS animations or Web animations instead.";
+
     case PrefixedPerformanceClearResourceTimings:
         return replacedBy("Performance.webkitClearResourceTimings", "Performance.clearResourceTimings");
 
@@ -942,6 +943,21 @@ String UseCounter::deprecationMessage(Feature feature)
     case BluetoothDeviceInstanceId:
         return replacedBy("BluetoothDevice.instanceID", "BluetoothDevice.id");
 
+    case V8SVGElement_OffsetParent_AttributeGetter:
+        return "'SVGElement.offsetParent' is deprecated and will be removed in M50, around April 2016. See https://www.chromestatus.com/features/5724912467574784 for more details.";
+
+    case V8SVGElement_OffsetTop_AttributeGetter:
+        return "'SVGElement.offsetTop' is deprecated and will be removed in M50, around April 2016. See https://www.chromestatus.com/features/5724912467574784 for more details.";
+
+    case V8SVGElement_OffsetLeft_AttributeGetter:
+        return "'SVGElement.offsetLeft' is deprecated and will be removed in M50, around April 2016. See https://www.chromestatus.com/features/5724912467574784 for more details.";
+
+    case V8SVGElement_OffsetWidth_AttributeGetter:
+        return "'SVGElement.offsetWidth' is deprecated and will be removed in M50, around April 2016. See https://www.chromestatus.com/features/5724912467574784 for more details.";
+
+    case V8SVGElement_OffsetHeight_AttributeGetter:
+        return "'SVGElement.offsetHeight' is deprecated and will be removed in M50, around April 2016. See https://www.chromestatus.com/features/5724912467574784 for more details.";
+
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();