Remove REM units.

sky/engine/core/animation/DeferredLegacyStyleInterpolation.cpp

 // Copyright 2014 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 "sky/engine/config.h"
 #include "sky/engine/core/animation/DeferredLegacyStyleInterpolation.h"
 
 #include "sky/engine/core/animation/LegacyStyleInterpolation.h"
 #include "sky/engine/core/css/CSSImageValue.h"
 #include "sky/engine/core/css/CSSPrimitiveValue.h"
@@ skipping 48 matching lines @@
         return false;
 
     if (primitiveValue.isLength())
         return primitiveValue.isFontRelativeLength() || primitiveValue.isViewportPercentageLength();
 
     if (primitiveValue.isCalculated()) {
         CSSLengthArray lengthArray(CSSPrimitiveValue::LengthUnitTypeCount);
         primitiveValue.accumulateLengthArray(lengthArray);
         return lengthArray[CSSPrimitiveValue::UnitTypeFontSize] != 0
             || lengthArray[CSSPrimitiveValue::UnitTypeFontXSize] != 0
-            || lengthArray[CSSPrimitiveValue::UnitTypeRootFontSize] != 0
             || lengthArray[CSSPrimitiveValue::UnitTypeZeroCharacterWidth] != 0
             || lengthArray[CSSPrimitiveValue::UnitTypeViewportWidth] != 0
             || lengthArray[CSSPrimitiveValue::UnitTypeViewportHeight] != 0
             || lengthArray[CSSPrimitiveValue::UnitTypeViewportMin] != 0
             || lengthArray[CSSPrimitiveValue::UnitTypeViewportMax] != 0;
     }
 
     if (Pair* pair = primitiveValue.getPairValue()) {
         return interpolationRequiresStyleResolve(*pair->first())
             || interpolationRequiresStyleResolve(*pair->second());
@@ skipping 44 matching lines @@
     return false;
 }
 
 bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSBasicShape& shape)
 {
     // FIXME: Should determine the specific shape, and inspect the members.
     return false;
 }
 
 }