Move Cronet metrics-related classes into their own files

components/cronet/android/api/src/org/chromium/net/RequestFinishedListener.java

Index: components/cronet/android/api/src/org/chromium/net/RequestFinishedListener.java
diff --git a/components/cronet/android/api/src/org/chromium/net/RequestFinishedListener.java b/components/cronet/android/api/src/org/chromium/net/RequestFinishedListener.java
deleted file mode 100644
index 764aa05e6a17e61727d8977109cdd338d2ced103..0000000000000000000000000000000000000000
--- a/components/cronet/android/api/src/org/chromium/net/RequestFinishedListener.java
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright 2016 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.net;
-
-import java.util.concurrent.Executor;
-
-/**
- * Listens for finished requests for the purpose of collecting metrics.
- *
- * {@hide} as it's a prototype.
- */
-public abstract class RequestFinishedListener {
-    private final Executor mExecutor;
-
-    public RequestFinishedListener(Executor executor) {
-        if (executor == null) {
-            throw new IllegalStateException("Executor must not be null");
-        }
-        mExecutor = executor;
-    }
-
-    /**
-     * Invoked with request info. Will be called in a task submitted to the
-     * {@link java.util.concurrent.Executor} returned by {@link #getExecutor}.
-     * @param requestInfo {@link CronetEngine#UrlRequestInfo} for finished request.
-     */
-    public abstract void onRequestFinished(CronetEngine.UrlRequestInfo requestInfo);
-
-    /**
-     * Returns this listener's executor. Can be called on any thread.
-     * @return this listener's {@link java.util.concurrent.Executor}
-     */
-    public Executor getExecutor() {
-        return mExecutor;
-    }
-}