CSS: Rotate support for none and fixed responsive-test.js

third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp

Index: third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp b/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
index 0311e4d2f9438907fe57c8f07dc7d9cd86680c6a..8926c6e555c8eb78eacf037f5c2d92f82b89f8ae 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
@@ -1240,6 +1240,11 @@ Rotation StyleBuilderConverter::convertRotation(const CSSValue& value) {
 PassRefPtr<RotateTransformOperation> StyleBuilderConverter::convertRotate(
     StyleResolverState& state,
     const CSSValue& value) {
+  if (value.isIdentifierValue()) {
+    DCHECK_EQ(toCSSIdentifierValue(value).getValueID(), CSSValueNone);
+    return nullptr;
+  }
+
   return RotateTransformOperation::create(convertRotation(value),
                                           TransformOperation::Rotate3D);
 }