CSS Motion Path: Support parsing of ray(<angle>) paths

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 a3cc0af32a0cd5f1a141ca5101b1bde0d25607a7..57fcf7f2870716cc79beb7ec8b79244edcd27dfa 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
@@ -26,6 +26,7 @@
 
 #include "core/css/resolver/StyleBuilderConverter.h"
 
+#include <algorithm>
 #include "core/css/BasicShapeFunctions.h"
 #include "core/css/CSSBasicShapeValues.h"
 #include "core/css/CSSColorValue.h"
@@ -41,6 +42,7 @@
 #include "core/css/CSSPathValue.h"
 #include "core/css/CSSPrimitiveValueMappings.h"
 #include "core/css/CSSQuadValue.h"
+#include "core/css/CSSRayValue.h"
 #include "core/css/CSSReflectValue.h"
 #include "core/css/CSSShadowValue.h"
 #include "core/css/CSSStringValue.h"
@@ -51,13 +53,13 @@
 #include "core/frame/LocalFrame.h"
 #include "core/frame/UseCounter.h"
 #include "core/style/ClipPathOperation.h"
+#include "core/style/StyleRay.h"
 #include "core/style/TextSizeAdjust.h"
 #include "core/svg/SVGURIReference.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/transforms/RotateTransformOperation.h"
 #include "platform/transforms/ScaleTransformOperation.h"
 #include "platform/transforms/TranslateTransformOperation.h"
-#include <algorithm>
 
 namespace blink {
 
@@ -1380,6 +1382,14 @@ PassRefPtr<StylePath> StyleBuilderConverter::ConvertPathOrNone(
   return nullptr;
 }
 
+PassRefPtr<BasicShape> StyleBuilderConverter::ConvertOffsetPath(
+    StyleResolverState& state,
+    const CSSValue& value) {
+  if (value.IsRayValue())
+    return StyleRay::Create(ToCSSRayValue(value));
+  return ConvertPathOrNone(state, value);
+}
+
 static const CSSValue& ComputeRegisteredPropertyValue(
     const CSSToLengthConversionData& css_to_length_conversion_data,
     const CSSValue& value) {