Enable NQE when Cronet Engine is built

components/cronet/android/cronet_url_request_context_adapter.h

 // 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.
 
 #ifndef COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_CONTEXT_ADAPTER_H_
 #define COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_CONTEXT_ADAPTER_H_
 
 #include <jni.h>
 #include <stdint.h>
 
@@ skipping 75 matching lines @@
   // flush any remaining writes to disk.
   void StopNetLog(JNIEnv* env,
                   const base::android::JavaParamRef<jobject>& jcaller);
 
   // Default net::LOAD flags used to create requests.
   int default_load_flags() const { return default_load_flags_; }
 
   // Called on main Java thread to initialize URLRequestContext.
   void InitRequestContextOnMainThread();
 
-  // Enables the network quality estimator and optionally configures it to
-  // observe localhost requests, and to consider smaller responses when
-  // observing throughput. It is recommended that both options be set to false.
+  // Enables the network quality estimator.
+  // TODO(tbansal):  http://crbug.com/618034 Remove this API.
   void EnableNetworkQualityEstimator(
       JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& jcaller);
+
+  // Configures the network quality estimator to observe localhost requests, and
+  // to consider smaller responses when observing throughput for testing. This
+  // should be called after the network quality estimator has been enabled.
+  void ConfigureNetworkQualityEstimatorForTesting(
+      JNIEnv* env,
       const base::android::JavaParamRef<jobject>& jcaller,
       jboolean use_local_host_requests,
       jboolean use_smaller_responses);
 
   // Request that RTT and/or throughput observations should or should not be
   // provided by the network quality estimator.
   void ProvideRTTObservations(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& jcaller,
       bool should);
@@ skipping 12 matching lines @@
   // Runs a task that might depend on the context being initialized.
   // This method should only be run on the network thread.
   void RunTaskAfterContextInitOnNetworkThread(
       const base::Closure& task_to_run_after_context_init);
 
   scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner() const;
 
   // Gets the file thread. Create one if there is none.
   base::Thread* GetFileThread();
 
-  // Instantiate and configure the network quality estimator. For default
-  // behavior, parameters should be set to false; otherwise the estimator
-  // can be configured to observe requests to localhost, as well as to use
-  // observe smaller responses when estimating throughput.
-  void EnableNetworkQualityEstimatorOnNetworkThread(
+  // Instantiate and configure the network quality estimator.
+  // TODO(tbansal):  http://crbug.com/618034 Remove this API.
+  void EnableNetworkQualityEstimatorOnNetworkThread();
+
+  // Configures the network quality estimator to observe requests to localhost,
+  // as well as to use smaller responses when estimating throughput. This
+  // should only be used for testing.
+  void ConfigureNetworkQualityEstimatorOnNetworkThreadForTesting(
       bool use_local_host_requests,
       bool use_smaller_responses);
 
   void ProvideRTTObservationsOnNetworkThread(bool should);
   void ProvideThroughputObservationsOnNetworkThread(bool should);
 
   // net::NetworkQualityEstimator::RTTObserver implementation.
   void OnRTTObservation(int32_t rtt_ms,
                         const base::TimeTicks& timestamp,
                         net::NetworkQualityObservationSource source) override;
@@ skipping 45 matching lines @@
 #if defined(DATA_REDUCTION_PROXY_SUPPORT)
   std::unique_ptr<CronetDataReductionProxy> data_reduction_proxy_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(CronetURLRequestContextAdapter);
 };
 
 }  // namespace cronet
 
 #endif  // COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_CONTEXT_ADAPTER_H_