Ignore rounding error between clip_layer_length_ and scroll_layer_length_

cc/base/math_util_unittest.cc

 // Copyright 2012 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 "cc/base/math_util.h"
 
 #include <stdint.h>
 
 #include <cmath>
 
@@ skipping 439 matching lines @@
 }
 
 TEST(MathUtilTest, RoundDownUnderflow) {
   // Rounding down -123 by 50 is -150, which underflows int8_t, but fits in
   // int16_t.
   EXPECT_FALSE(MathUtil::VerifyRoundDown<int8_t>(-123, 50));
   EXPECT_TRUE(MathUtil::VerifyRoundDown<int16_t>(-123, 50));
 }
 
 #define EXPECT_SIMILAR_VALUE(x, y) \
-  EXPECT_TRUE(MathUtil::IsNearlyTheSameForTesting(x, y))
+  EXPECT_TRUE(MathUtil::IsFloatNearlyTheSame(x, y))
 #define EXPECT_DISSIMILAR_VALUE(x, y) \
-  EXPECT_FALSE(MathUtil::IsNearlyTheSameForTesting(x, y))
+  EXPECT_FALSE(MathUtil::IsFloatNearlyTheSame(x, y))
 
 // Arbitrary point that shouldn't be different from zero.
 static const float zeroish = 1.0e-11f;
 
 TEST(MathUtilTest, Approximate) {
   // Same should be similar.
   EXPECT_SIMILAR_VALUE(1.0f, 1.0f);
 
   // Zero should not cause similarity issues.
   EXPECT_SIMILAR_VALUE(0.0f, 0.0f);
@@ skipping 149 matching lines @@
   int num_vertices_in_clipped_quad;
 
   MathUtil::MapClippedQuad3d(transform, src_quad, clipped_quad,
                              &num_vertices_in_clipped_quad);
 
   EXPECT_EQ(num_vertices_in_clipped_quad, 4);
 }
 
 }  // namespace
 }  // namespace cc