Web Animations API: Start implementation of Element.animate().

Source/core/css/CSSParser-in.cpp

Index: Source/core/css/CSSParser-in.cpp
diff --git a/Source/core/css/CSSParser-in.cpp b/Source/core/css/CSSParser-in.cpp
index ab2aea348938621f9d980ae5c2d7468010563aa0..482a427e7f225d9ca0e1b7a74ab25af10abcf7e0 100644
--- a/Source/core/css/CSSParser-in.cpp
+++ b/Source/core/css/CSSParser-in.cpp
@@ -79,6 +79,7 @@
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/page/PageConsole.h"
+#include "core/page/RuntimeCSSEnabled.h"
 #include "core/page/Settings.h"
 #include "core/rendering/RenderTheme.h"
 #include "core/svg/SVGParserUtilities.h"
@@ -10219,6 +10220,31 @@ CSSPropertyID cssPropertyID(const CSSParserString& string)
     return string.is8Bit() ? cssPropertyID(string.characters8(), length) : cssPropertyID(string.characters16(), length);
 }
 
+CSSPropertyID camelCaseCSSPropertyNameToID(StringImpl* propertyName)
+{
+    typedef HashMap<StringImpl*, CSSPropertyID> CSSPropertyIDMap;
+    DEFINE_STATIC_LOCAL(CSSPropertyIDMap, map, ());
+
+    CSSPropertyID id = map.get(propertyName);
+
+    if (!id) {
+        StringBuilder builder;
+        size_t position = 0;
+        size_t end;
+        while ((end = propertyName->find(isASCIIUpper, position)) != kNotFound) {
+            builder.append(propertyName->substring(position, end) + "-" + toASCIILower((*propertyName)[end]));
+            position = end + 1;
+        }
+        builder.append(propertyName->substring(position));
+        // Doesn't handle prefixed properties.
+        id = cssPropertyID(builder.toString());
+        if (id != CSSPropertyInvalid && RuntimeCSSEnabled::isCSSPropertyEnabled(id))
+            map.add(propertyName, id);
+    }
+
+    return id;
+}
+
 template <typename CharacterType>
 static CSSValueID cssValueKeywordID(const CharacterType* valueKeyword, unsigned length)
 {