CSSValue Immediates: Replace CSSPrimitiveValue usage with const references

Source/core/animation/LengthPairStyleInterpolationTest.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 "config.h"
 #include "core/animation/LengthPairStyleInterpolation.h"
 
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/CSSValue.h"
 #include "core/css/Pair.h"
@@ skipping 21 matching lines @@
         return interpolableValueToLengthPair(lengthPairToInterpolableValue(value).get(), range);
     }
 
     static void testPrimitiveValue(CSSValue value, double first, double second, CSSPrimitiveValue::UnitType unitType)
     {
         EXPECT_TRUE(value.isPrimitiveValue());
 
         Pair* pair = toCSSPrimitiveValue(value).getPairValue();
         ASSERT_TRUE(pair);
 
-        EXPECT_EQ(toCSSPrimitiveValue(*pair->first()).getDoubleValue(), first);
-        EXPECT_EQ(toCSSPrimitiveValue(*pair->second()).getDoubleValue(), second);
+        EXPECT_EQ(pair->first().getDoubleValue(), first);
+        EXPECT_EQ(pair->second().getDoubleValue(), second);
 
-        EXPECT_EQ(toCSSPrimitiveValue(*pair->first()).primitiveType(), unitType);
-        EXPECT_EQ(toCSSPrimitiveValue(*pair->second()).primitiveType(), unitType);
+        EXPECT_EQ(pair->first().primitiveType(), unitType);
+        EXPECT_EQ(pair->second().primitiveType(), unitType);
     }
 };
 
 TEST_F(LengthPairStyleInterpolationTest, ZeroTest)
 {
     CSSPrimitiveValue firstPx = CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_PX);
     CSSPrimitiveValue secondPx = CSSPrimitiveValue::create(0, CSSPrimitiveValue::CSS_PX);
     RefPtrWillBeRawPtr<Pair> pairPx = Pair::create(firstPx, secondPx, Pair::KeepIdenticalValues);
     CSSValue value1 = roundTrip(CSSPrimitiveValue::create(pairPx.release()), RangeNonNegative);
     testPrimitiveValue(value1, 0, 0, CSSPrimitiveValue::CSS_PX);
@@ skipping 26 matching lines @@
     testPrimitiveValue(value5, 10, 20, CSSPrimitiveValue::CSS_PX);
 
     CSSPrimitiveValue firstPc = CSSPrimitiveValue::create(30, CSSPrimitiveValue::CSS_PERCENTAGE);
     CSSPrimitiveValue secondPc = CSSPrimitiveValue::create(-30, CSSPrimitiveValue::CSS_PERCENTAGE);
     RefPtrWillBeRawPtr<Pair> pairPc = Pair::create(firstPc, secondPc, Pair::KeepIdenticalValues);
     CSSValue value6 = roundTrip(CSSPrimitiveValue::create(pairPc.release()), RangeNonNegative);
     testPrimitiveValue(value6, 30, 0, CSSPrimitiveValue::CSS_PERCENTAGE);
 }
 
 }