Partial implementation of inline StylePropertyMap.

third_party/WebKit/Source/core/css/cssom/CSSOMTypes.cpp

Index: third_party/WebKit/Source/core/css/cssom/CSSOMTypes.cpp
diff --git a/third_party/WebKit/Source/core/css/cssom/CSSOMTypes.cpp b/third_party/WebKit/Source/core/css/cssom/CSSOMTypes.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..043ff617033e623326ca8877108fda0a8f9b32d2
--- /dev/null
+++ b/third_party/WebKit/Source/core/css/cssom/CSSOMTypes.cpp
@@ -0,0 +1,54 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "core/css/cssom/CSSOMTypes.h"
+
+#include "core/css/cssom/KeywordValue.h"
+#include "core/css/cssom/LengthValue.h"
+
+namespace blink {
+
+bool CSSOMTypes::propertyCanTake(CSSPropertyID id, const StyleValue& styleValue)
+{
+    StyleValue::StyleValueType type = styleValue.type();
+
+    if (type == StyleValue::KeywordValueType)
+        return validKeywordForProperty(id, toKeywordValue(styleValue));
+
+    switch (id) {
+    case CSSPropertyHeight:
+    case CSSPropertyWidth:
+    case CSSPropertyMinHeight:
+    case CSSPropertyMinWidth:
+    case CSSPropertyMaxHeight:
+    case CSSPropertyMaxWidth:
+    case CSSPropertyBackgroundPosition:
+    case CSSPropertyBackgroundPositionY:
+        if (type != StyleValue::SimpleLengthType && type != StyleValue::CalcLengthType)
+            return false;
+        return (!toLengthValue(styleValue).containsPercent() || propertySupportsPercentage(id));
+    default:
+        return false;
+    }
+}
+
+bool CSSOMTypes::propertySupportsPercentage(CSSPropertyID id)
+{
+    // TODO(meade): Implement.
+    return false;
+}
+
+bool CSSOMTypes::validKeywordForProperty(CSSPropertyID id, const KeywordValue& keyword)
+{
+    // TODO(meade): Implement.
+    return false;
+}
+
+bool CSSOMTypes::propertySupportsMultiple(CSSPropertyID id)
+{
+    // TODO(meade): Implement.
+    return false;
+}
+
+} // namespace blink