Delete old NetworkQualityEstimator Cronet API

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

Index: components/cronet/android/api/src/org/chromium/net/CronetEngine.java
diff --git a/components/cronet/android/api/src/org/chromium/net/CronetEngine.java b/components/cronet/android/api/src/org/chromium/net/CronetEngine.java
index 5208651ce913a7e7d9ee5b133ecbaadf081c2a1b..95faf45ec2e59d314965447446f1b31aa227149b 100644
--- a/components/cronet/android/api/src/org/chromium/net/CronetEngine.java
+++ b/components/cronet/android/api/src/org/chromium/net/CronetEngine.java
@@ -959,34 +959,6 @@ public abstract class CronetEngine {
     public abstract byte[] getGlobalMetricsDeltas();
 
     /**
-     * Sets the executor which will be used to notify RequestFinished
-     *             listeners, and to notify network quality RTT listeners
-     *             that do not provide an executor.
-     * TODO(tbansal):  http://crbug.com/618034 Remove this API. In short term,
-     * once all Cronet embedders supply a valid executor with
-     * NetworkQualityRTTListener, update the above comment to reflect that
-     * {@link executor} is only used to notify RequestFinishedListeners.
-     * @hide as it's a prototype.
-     */
-    public abstract void setRequestFinishedListenerExecutor(Executor executor);
-
-    /**
-     * Enables the network quality estimator, which collects and reports
-     * measurements of round trip time (RTT) and downstream throughput at
-     * various layers of the network stack. After enabling the estimator,
-     * listeners of RTT and throughput can be added with
-     * {@link #addRttListener} and {@link #addThroughputListener} and
-     * removed with {@link #removeRttListener} and
-     * {@link #removeThroughputListener}. The estimator uses memory and CPU
-     * only when enabled.
-     * @param executor an executor that will be used to notified all
-     *            added RTT and throughput listeners.
-     * TODO(tbansal):  http://crbug.com/618034 Remove this API.
-     * @hide as it's a prototype.
-     */
-    public abstract void enableNetworkQualityEstimator(Executor executor);
-
-    /**
      * Configures the network quality estimator for testing. This must be called
      * before round trip time and throughput listeners are added, and after the
      * network quality estimator has been enabled.
@@ -1136,8 +1108,6 @@ public abstract class CronetEngine {
      *
      * @param listener the listener for finished requests.
      *
-     * TODO(tbansal):  http://crbug.com/618034 Remove this API, once all embedders have switched to
-     * using a request finished listener that provides its own executor.
      * @hide as it's a prototype.
      */
     public abstract void addRequestFinishedListener(RequestFinishedListener listener);
@@ -1147,8 +1117,6 @@ public abstract class CronetEngine {
      *
      * @param listener the listener to remove.
      *
-     * TODO(tbansal):  http://crbug.com/618034 Remove this API, once all embedders have switched to
-     * using a request finished listener that provides its own executor.
      * @hide it's a prototype.
      */
     public abstract void removeRequestFinishedListener(RequestFinishedListener listener);