Update Element API for CSSOM smooth scrolling to match the spec

Source/bindings/core/v8/custom/V8ElementCustom.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 27 matching lines @@
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8BindingMacros.h"
 #include "core/animation/ElementAnimation.h"
 #include "core/dom/Element.h"
 #include "core/frame/UseCounter.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "wtf/GetPtr.h"
 
 namespace blink {
 
-void V8Element::scrollLeftAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
-{
-    ExceptionState exceptionState(ExceptionState::SetterContext, "scrollLeft", "Element", info.Holder(), info.GetIsolate());
-    Element* impl = V8Element::toImpl(info.Holder());
-
-    if (RuntimeEnabledFeatures::cssomSmoothScrollEnabled() && value->IsObject()) {
-        TONATIVE_VOID(Dictionary, scrollOptionsHorizontal, Dictionary(value, info.GetIsolate(), exceptionState));
-        impl->setScrollLeft(scrollOptionsHorizontal, exceptionState);
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    TONATIVE_VOID_EXCEPTIONSTATE(float, position, toFloat(value, exceptionState), exceptionState);
-    impl->setScrollLeft(position);
-}
-
-void V8Element::scrollTopAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
-{
-    ExceptionState exceptionState(ExceptionState::SetterContext, "scrollTop", "Element", info.Holder(), info.GetIsolate());
-    Element* impl = V8Element::toImpl(info.Holder());
-
-    if (RuntimeEnabledFeatures::cssomSmoothScrollEnabled() && value->IsObject()) {
-        TONATIVE_VOID(Dictionary, scrollOptionsVertical, Dictionary(value, info.GetIsolate(), exceptionState));
-        impl->setScrollTop(scrollOptionsVertical, exceptionState);
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    TONATIVE_VOID_EXCEPTIONSTATE(float, position, toFloat(value, exceptionState), exceptionState);
-    impl->setScrollTop(position);
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // Overload resolution for animate()
 // FIXME: needs support for union types http://crbug.com/240176
 ////////////////////////////////////////////////////////////////////////////////
 
 // AnimationPlayer animate(AnimationEffect? effect);
 void animate1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     Element* impl = V8Element::toImpl(info.Holder());
     TONATIVE_VOID(AnimationEffect*, effect, V8AnimationEffect::toImplWithTypeCheck(info.GetIsolate(), info[0]));
@@ skipping 139 matching lines @@
         setArityTypeError(exceptionState, "[1]", info.Length());
         exceptionState.throwIfNeeded();
         return;
         break;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 } // namespace blink