Remove parts of //cc we aren't using

cc/base/rolling_time_delta_history_unittest.cc

Index: cc/base/rolling_time_delta_history_unittest.cc
diff --git a/cc/base/rolling_time_delta_history_unittest.cc b/cc/base/rolling_time_delta_history_unittest.cc
deleted file mode 100644
index 5458240bc7be5f2483c2c141be3883bbc45dfe23..0000000000000000000000000000000000000000
--- a/cc/base/rolling_time_delta_history_unittest.cc
+++ /dev/null
@@ -1,109 +0,0 @@
-// 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 "cc/base/rolling_time_delta_history.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace cc {
-namespace {
-
-TEST(RollingTimeDeltaHistoryTest, EmptyHistory) {
-  RollingTimeDeltaHistory empty_history(0);
-
-  EXPECT_EQ(base::TimeDelta(), empty_history.Percentile(0.0));
-  EXPECT_EQ(base::TimeDelta(), empty_history.Percentile(50.0));
-  EXPECT_EQ(base::TimeDelta(), empty_history.Percentile(100.0));
-
-  empty_history.InsertSample(base::TimeDelta::FromMilliseconds(10));
-  empty_history.InsertSample(base::TimeDelta::FromMilliseconds(15));
-  empty_history.InsertSample(base::TimeDelta::FromMilliseconds(20));
-
-  EXPECT_EQ(base::TimeDelta(), empty_history.Percentile(0.0));
-  EXPECT_EQ(base::TimeDelta(), empty_history.Percentile(50.0));
-  EXPECT_EQ(base::TimeDelta(), empty_history.Percentile(100.0));
-
-  empty_history.Clear();
-  EXPECT_EQ(base::TimeDelta(), empty_history.Percentile(0.0));
-  EXPECT_EQ(base::TimeDelta(), empty_history.Percentile(50.0));
-  EXPECT_EQ(base::TimeDelta(), empty_history.Percentile(100.0));
-}
-
-TEST(RollingTimeDeltaHistoryTest, SizeOneHistory) {
-  RollingTimeDeltaHistory size_one_history(1);
-  base::TimeDelta sample1 = base::TimeDelta::FromMilliseconds(10);
-  base::TimeDelta sample2 = base::TimeDelta::FromMilliseconds(20);
-
-  EXPECT_EQ(base::TimeDelta(), size_one_history.Percentile(0.0));
-  EXPECT_EQ(base::TimeDelta(), size_one_history.Percentile(50.0));
-  EXPECT_EQ(base::TimeDelta(), size_one_history.Percentile(100.0));
-
-  size_one_history.InsertSample(sample1);
-  EXPECT_EQ(sample1, size_one_history.Percentile(0.0));
-  EXPECT_EQ(sample1, size_one_history.Percentile(50.0));
-  EXPECT_EQ(sample1, size_one_history.Percentile(100.0));
-
-  size_one_history.InsertSample(sample2);
-  EXPECT_EQ(sample2, size_one_history.Percentile(0.0));
-  EXPECT_EQ(sample2, size_one_history.Percentile(50.0));
-  EXPECT_EQ(sample2, size_one_history.Percentile(100.0));
-
-  size_one_history.Clear();
-  EXPECT_EQ(base::TimeDelta(), size_one_history.Percentile(0.0));
-  EXPECT_EQ(base::TimeDelta(), size_one_history.Percentile(50.0));
-  EXPECT_EQ(base::TimeDelta(), size_one_history.Percentile(100.0));
-}
-
-TEST(RollingTimeDeltaHistoryTest, LargeHistory) {
-  RollingTimeDeltaHistory large_history(100);
-  base::TimeDelta sample1 = base::TimeDelta::FromMilliseconds(150);
-  base::TimeDelta sample2 = base::TimeDelta::FromMilliseconds(250);
-  base::TimeDelta sample3 = base::TimeDelta::FromMilliseconds(200);
-
-  large_history.InsertSample(sample1);
-  large_history.InsertSample(sample2);
-
-  EXPECT_EQ(sample1, large_history.Percentile(0.0));
-  EXPECT_EQ(sample1, large_history.Percentile(25.0));
-  EXPECT_EQ(sample2, large_history.Percentile(75.0));
-  EXPECT_EQ(sample2, large_history.Percentile(100.0));
-
-  large_history.InsertSample(sample3);
-  EXPECT_EQ(sample1, large_history.Percentile(0.0));
-  EXPECT_EQ(sample1, large_history.Percentile(25.0));
-  EXPECT_EQ(sample3, large_history.Percentile(50.0));
-  EXPECT_EQ(sample2, large_history.Percentile(100.0));
-
-  // Fill the history.
-  for (int i = 1; i <= 97; i++)
-    large_history.InsertSample(base::TimeDelta::FromMilliseconds(i));
-
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(1),
-            large_history.Percentile(0.0));
-  for (int i = 1; i <= 97; i++) {
-    EXPECT_EQ(base::TimeDelta::FromMilliseconds(i),
-              large_history.Percentile(i - 0.5));
-  }
-  EXPECT_EQ(sample1, large_history.Percentile(97.5));
-  EXPECT_EQ(sample3, large_history.Percentile(98.5));
-  EXPECT_EQ(sample2, large_history.Percentile(99.5));
-
-  // Continue inserting samples, causing the oldest samples to be discarded.
-  base::TimeDelta sample4 = base::TimeDelta::FromMilliseconds(100);
-  base::TimeDelta sample5 = base::TimeDelta::FromMilliseconds(102);
-  base::TimeDelta sample6 = base::TimeDelta::FromMilliseconds(104);
-  large_history.InsertSample(sample4);
-  large_history.InsertSample(sample5);
-  large_history.InsertSample(sample6);
-  EXPECT_EQ(sample4, large_history.Percentile(97.5));
-  EXPECT_EQ(sample5, large_history.Percentile(98.5));
-  EXPECT_EQ(sample6, large_history.Percentile(99.5));
-
-  large_history.Clear();
-  EXPECT_EQ(base::TimeDelta(), large_history.Percentile(0.0));
-  EXPECT_EQ(base::TimeDelta(), large_history.Percentile(50.0));
-  EXPECT_EQ(base::TimeDelta(), large_history.Percentile(100.0));
-}
-
-}  // namespace
-}  // namespace cc