Remove SMIL deprecation warning

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/frame/Deprecation.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/FrameConsole.h"
 #include "core/frame/FrameHost.h"
@@ skipping 315 matching lines @@
 
     case UseCounter::ElementCreateShadowRootMultiple:
         return "Calling Element.createShadowRoot() for an element which already hosts a shadow root is deprecated. See https://www.chromestatus.com/features/4668884095336448 for more details.";
 
     case UseCounter::CSSDeepCombinator:
         return "/deep/ combinator is deprecated. See https://www.chromestatus.com/features/6750456638341120 for more details.";
 
     case UseCounter::CSSSelectorPseudoShadow:
         return "::shadow pseudo-element is deprecated. See https://www.chromestatus.com/features/6750456638341120 for more details.";
 
-    case UseCounter::SVGSMILElementInDocument:
-    case UseCounter::SVGSMILAnimationInImageRegardlessOfCache:
-        return "SVG's SMIL animations (<animate>, <set>, etc.) are deprecated and will be removed. Please use CSS animations or Web animations instead.";
-
     case UseCounter::PrefixedPerformanceClearResourceTimings:
         return replacedBy("'Performance.webkitClearResourceTimings'", "'Performance.clearResourceTimings'");
 
     case UseCounter::PrefixedPerformanceSetResourceTimingBufferSize:
         return replacedBy("'Performance.webkitSetResourceTimingBufferSize'", "'Performance.setResourceTimingBufferSize'");
 
     case UseCounter::PrefixedPerformanceResourceTimingBufferFull:
         return replacedBy("'Performance.onwebkitresourcetimingbufferfull'", "'Performance.onresourcetimingbufferfull'");
 
     case UseCounter::MediaStreamTrackGetSources:
@@ skipping 41 matching lines @@
     case UseCounter::V8SVGSVGElement_Viewport_AttributeGetter:
         return willBeRemoved("SVGSVGElement.viewport", 55, "5686865248124928");
 
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();
     }
 }
 
 } // namespace blink