[Typed-OM] Add CSSTokenStreamValue

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

+#include "core/css/cssom/CSSTokenStreamValue.h"
+
+#include "bindings/core/v8/ExceptionState.h"
+#include "bindings/core/v8/Iterable.h"
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "core/CoreExport.h"
+#include "core/css/CSSCustomIdentValue.h"
+#include "core/css/CSSPrimitiveValue.h"
+#include "core/css/CSSValueList.h"
+#include "core/css/cssom/CSSStyleValue.h"
+#include "core/css/parser/CSSPropertyParser.h"
+#include "core/dom/ExceptionCode.h"
+#include "platform/heap/HeapAllocator.h"
+#include "wtf/text/StringBuilder.h"
+
+
+namespace blink {
+
+namespace {
+
+class TokenStreamValueIterationSource final : public ValueIterable<String>::IterationSource {
+public:
+    explicit TokenStreamValueIterationSource(CSSTokenStreamValue* tokenStreamValue)
+        : m_tokenStreamValue(tokenStreamValue)
+    {
+    }
+
+    bool next(ScriptState* scriptState, String& value, ExceptionState& exceptionState) override
+    {
+        if (m_index >= m_tokenStreamValue->size())
+            return false;
+        value = m_tokenStreamValue->componentAtIndex(m_index);
+        return true;
+    }
+
+    DEFINE_INLINE_VIRTUAL_TRACE()
+    {
+        visitor->trace(m_tokenStreamValue);
+        ValueIterable<String>::IterationSource::trace(visitor);
+    }
+
+private:
+    const Member<CSSTokenStreamValue> m_tokenStreamValue;
+};
+
+} // namespace
+
+ValueIterable<String>::IterationSource* CSSTokenStreamValue::startIteration(ScriptState*, ExceptionState&)
+{
+    return new TokenStreamValueIterationSource(this);
+}
+
+CSSValue* CSSTokenStreamValue::toCSSValue() const
+{
+    CSSValueList* tokenStreamCSSValue = CSSValueList::createSpaceSeparated();
+
+    for (size_t i = 0; i < m_listOfReferences.size(); ++i) {

[meade_UTC10, 2016/07/07 05:48:01]

We usually use something like this:
for (unsigned i = 0; i < someLength; i++) 

[anthonyhkf, 2016/07/07 08:01:45]

Done.

+        tokenStreamCSSValue->append(*CSSCustomIdentValue::create(m_listOfReferences[i]));

[meade_UTC10, 2016/07/07 05:48:01]

I thought you were going to change this to be a CSSVariableReferenceValue?

[anthonyhkf, 2016/07/07 08:01:45]

Done.

+    }
+
+    return tokenStreamCSSValue;
+}
+
+} // namespace blink