Introduce the nested namespace ::blink::cssvalue, start with CSSColorValue.

third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 43 matching lines @@
 #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 {
 
+using namespace cssvalue;
+
 namespace {
 
 static GridLength convertGridTrackBreadth(const StyleResolverState& state,
                                           const CSSValue& value) {
   // Fractional unit.
   if (value.isPrimitiveValue() && toCSSPrimitiveValue(value).isFlex())
     return GridLength(toCSSPrimitiveValue(value).getDoubleValue());
 
   if (value.isIdentifierValue() &&
       toCSSIdentifierValue(value).getValueID() == CSSValueMinContent)
@@ skipping 1328 matching lines @@
 }
 
 const CSSValue& StyleBuilderConverter::convertRegisteredPropertyValue(
     const StyleResolverState& state,
     const CSSValue& value) {
   return computeRegisteredPropertyValue(state.cssToLengthConversionData(),
                                         value);
 }
 
 }  // namespace blink