Add CSS Transition support to registered custom properties

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

Index: third_party/WebKit/Source/core/css/CSSPropertyEquality.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSPropertyEquality.cpp b/third_party/WebKit/Source/core/css/CSSPropertyEquality.cpp
index 8c69d8ac1dd953c955366abed055976f6dd6d4d2..678c0cb55f278a79ba11533281ef937bdb3edf6e 100644
--- a/third_party/WebKit/Source/core/css/CSSPropertyEquality.cpp
+++ b/third_party/WebKit/Source/core/css/CSSPropertyEquality.cpp
@@ -4,9 +4,11 @@
 
 #include "core/css/CSSPropertyEquality.h"
 
+#include "core/css/CSSValue.h"
 #include "core/style/ComputedStyle.h"
 #include "core/style/DataEquivalency.h"
 #include "core/style/ShadowList.h"
+#include "wtf/text/AtomicString.h"

[Eric Willigers, 2017/03/08 04:10:47]

Declaring the class would be sufficient. frame/csp/ContentSecurityPolicy.h has
an example.

[alancutter (OOO until 2018), 2017/03/09 04:35:59]

Removed.

 
 // TODO(ikilpatrick): generate this file.
 
@@ -375,4 +377,12 @@ bool CSSPropertyEquality::propertiesEqual(CSSPropertyID prop,
   }
 }
 
+bool CSSPropertyEquality::registeredCustomPropertiesEqual(
+    const AtomicString& propertyName,
+    const ComputedStyle& a,
+    const ComputedStyle& b) {
+  return compareCSSValuePtr(a.getRegisteredVariable(propertyName),
+                            b.getRegisteredVariable(propertyName));
+}
+
 }  // namespace blink