Revert of Add smooth interpolation support for <color> custom properties

third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.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/css/CSSSyntaxDescriptor.h"
 
-#include "core/animation/CSSColorInterpolationType.h"
-#include "core/animation/CSSValueInterpolationType.h"
 #include "core/css/CSSCustomPropertyDeclaration.h"
 #include "core/css/CSSURIValue.h"
 #include "core/css/CSSValueList.h"
 #include "core/css/CSSVariableReferenceValue.h"
 #include "core/css/parser/CSSParserIdioms.h"
 #include "core/css/parser/CSSPropertyParserHelpers.h"
 #include "core/css/parser/CSSVariableParser.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 
 namespace blink {
@@ skipping 187 matching lines @@
   range.consumeWhitespace();
   for (const CSSSyntaxComponent& component : m_syntaxComponents) {
     if (const CSSValue* result =
             consumeSyntaxComponent(component, range, context))
       return result;
   }
   return CSSVariableParser::parseRegisteredPropertyValue(range, true,
                                                          isAnimationTainted);
 }
 
-InterpolationTypes CSSSyntaxDescriptor::createInterpolationTypes(
-    const AtomicString& propertyName) const {
-  PropertyHandle property(propertyName);
-  InterpolationTypes interpolationTypes;
-  for (const CSSSyntaxComponent& component : m_syntaxComponents) {
-    if (component.m_repeatable) {
-      // TODO(alancutter): Support animation of repeatable types.
-      continue;
-    }
-
-    switch (component.m_type) {
-      case CSSSyntaxType::Color:
-        interpolationTypes.append(
-            WTF::makeUnique<CSSColorInterpolationType>(property));
-        break;
-      case CSSSyntaxType::Length:
-      case CSSSyntaxType::Number:
-      case CSSSyntaxType::Percentage:
-      case CSSSyntaxType::LengthPercentage:
-      case CSSSyntaxType::Image:
-      case CSSSyntaxType::Url:
-      case CSSSyntaxType::Integer:
-      case CSSSyntaxType::Angle:
-      case CSSSyntaxType::Time:
-      case CSSSyntaxType::Resolution:
-      case CSSSyntaxType::TransformFunction:
-        // TODO(alancutter): Support smooth interpolation of these types.
-        break;
-      case CSSSyntaxType::TokenStream:
-      case CSSSyntaxType::Ident:
-      case CSSSyntaxType::CustomIdent:
-        // Uses the CSSValueInterpolationType added below.
-        break;
-      default:
-        NOTREACHED();
-        break;
-    }
-  }
-  interpolationTypes.append(
-      WTF::makeUnique<CSSValueInterpolationType>(property));
-  return interpolationTypes;
-}
-
 }  // namespace blink