Revert of Removing duplicate functions and symbol names in core/css

third_party/WebKit/Source/core/css/CSSPrimitiveValue.h

Index: third_party/WebKit/Source/core/css/CSSPrimitiveValue.h
diff --git a/third_party/WebKit/Source/core/css/CSSPrimitiveValue.h b/third_party/WebKit/Source/core/css/CSSPrimitiveValue.h
index a29487de259cfcc64f70b0f32599760a6c3fe218..740de4853716e003103065f2aa8baff19418ea55 100644
--- a/third_party/WebKit/Source/core/css/CSSPrimitiveValue.h
+++ b/third_party/WebKit/Source/core/css/CSSPrimitiveValue.h
@@ -321,24 +321,6 @@
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSPrimitiveValue, isPrimitiveValue());
 
-template <>
-int CSSPrimitiveValue::computeLength(const CSSToLengthConversionData&) const;
-
-template <>
-Length CSSPrimitiveValue::computeLength(const CSSToLengthConversionData&) const;
-
-template <>
-unsigned CSSPrimitiveValue::computeLength(
-    const CSSToLengthConversionData&) const;
-
-template <>
-short CSSPrimitiveValue::computeLength(const CSSToLengthConversionData&) const;
-
-template <>
-float CSSPrimitiveValue::computeLength(const CSSToLengthConversionData&) const;
-
-template <>
-double CSSPrimitiveValue::computeLength(const CSSToLengthConversionData&) const;
 }  // namespace blink
 
 #endif  // CSSPrimitiveValue_h