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

third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.cpp

Index: third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.cpp b/third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.cpp
index df1fbfb33b42a1bc171a5650459edc23ba980feb..492c2ca4aeca77774a13a9e0a876eb6ce8513abc 100644
--- a/third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.cpp
+++ b/third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.cpp
@@ -4,8 +4,6 @@
 
 #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"
@@ -213,47 +211,4 @@
                                                          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