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Unified Diff: base/test/android/javatests/src/org/chromium/base/test/util/MetricsUtils.java

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/test/android/javatests/src/org/chromium/base/test/util/MetricsUtils.java
diff --git a/base/test/android/javatests/src/org/chromium/base/test/util/MetricsUtils.java b/base/test/android/javatests/src/org/chromium/base/test/util/MetricsUtils.java
deleted file mode 100644
index c4664d68b0a22a594ab307ed267958de0ca105eb..0000000000000000000000000000000000000000
--- a/base/test/android/javatests/src/org/chromium/base/test/util/MetricsUtils.java
+++ /dev/null
@@ -1,43 +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.
-
-package org.chromium.base.test.util;
-
-import org.chromium.base.metrics.RecordHistogram;
-
-/**
- * Helpers for testing UMA metrics.
- */
-public class MetricsUtils {
- /**
- * Helper class that snapshots the given bucket of the given UMA histogram on its creation,
- * allowing to inspect the number of samples recorded during its lifetime.
- */
- public static class HistogramDelta {
- private final String mHistogram;
- private final int mSampleValue;
-
- private final int mInitialCount;
-
- private int get() {
- return RecordHistogram.getHistogramValueCountForTesting(mHistogram, mSampleValue);
- }
-
- /**
- * Snapshots the given bucket of the given histogram.
- * @param histogram name of the histogram to snapshot
- * @param sampleValue the bucket that contains this value will be snapshot
- */
- public HistogramDelta(String histogram, int sampleValue) {
- mHistogram = histogram;
- mSampleValue = sampleValue;
- mInitialCount = get();
- }
-
- /** Returns the number of samples of the snapshot bucket recorded since creation */
- public int getDelta() {
- return get() - mInitialCount;
- }
- }
-}

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