Move Cronet metrics-related classes into their own files

components/cronet/android/BUILD.gn

 # Copyright 2015 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/util/version.gni")
 import("//chrome/version.gni")
 import("//testing/test.gni")
@@ skipping 269 matching lines @@
     "api/src/org/chromium/net/HttpUrlRequestFactory.java",
     "api/src/org/chromium/net/HttpUrlRequestFactoryConfig.java",
     "api/src/org/chromium/net/HttpUrlRequestListener.java",
     "api/src/org/chromium/net/InputStreamChannel.java",
     "api/src/org/chromium/net/JavaCronetEngine.java",
     "api/src/org/chromium/net/JavaUrlRequest.java",
     "api/src/org/chromium/net/NetworkQualityRttListener.java",
     "api/src/org/chromium/net/NetworkQualityThroughputListener.java",
     "api/src/org/chromium/net/Preconditions.java",
     "api/src/org/chromium/net/QuicException.java",
+    "api/src/org/chromium/net/RequestFinishedInfo.java",
     "api/src/org/chromium/net/RequestFinishedListener.java",
     "api/src/org/chromium/net/ResponseTooLargeException.java",
     "api/src/org/chromium/net/UploadDataProvider.java",
     "api/src/org/chromium/net/UploadDataProviders.java",
     "api/src/org/chromium/net/UploadDataSink.java",
     "api/src/org/chromium/net/UrlRequest.java",
     "api/src/org/chromium/net/UrlRequestContextConfig.java",
     "api/src/org/chromium/net/UrlRequestException.java",
+    "api/src/org/chromium/net/UrlRequestMetrics.java",
     "api/src/org/chromium/net/UrlResponseInfo.java",
     "api/src/org/chromium/net/UserAgent.java",
   ]
 
   deps = [
     "//third_party/android_tools:android_support_annotations_java",
   ]
 
   srcjar_deps = [
     ":cronet_api_version_srcjar",
@@ skipping 612 matching lines @@
     ":cronet_package_copy_native_lib",
     ":cronet_package_copy_native_lib_unstripped",
     ":generate_javadoc",
     ":generate_licenses",
     ":jar_cronet_api_source",
     ":jar_cronet_other_source",
     ":jar_cronet_sample_source",
     ":repackage_extracted_jars",
   ]
 }