Move Cronet metrics-related classes into their own files

components/cronet/android/java/src/org/chromium/net/impl/CronetUrlRequest.java

Index: components/cronet/android/java/src/org/chromium/net/impl/CronetUrlRequest.java
diff --git a/components/cronet/android/java/src/org/chromium/net/impl/CronetUrlRequest.java b/components/cronet/android/java/src/org/chromium/net/impl/CronetUrlRequest.java
index da4cc00a797b36addc322d91477475ece9566148..a824a4068e02568096ebe7385fc89ec02b5c0803 100644
--- a/components/cronet/android/java/src/org/chromium/net/impl/CronetUrlRequest.java
+++ b/components/cronet/android/java/src/org/chromium/net/impl/CronetUrlRequest.java
@@ -13,14 +13,14 @@ import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNIAdditionalImport;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.base.annotations.NativeClassQualifiedName;
-import org.chromium.net.CronetEngine.UrlRequestInfo;
-import org.chromium.net.CronetEngine.UrlRequestMetrics;
 import org.chromium.net.Preconditions;
 import org.chromium.net.QuicException;
+import org.chromium.net.RequestFinishedInfo;
 import org.chromium.net.RequestPriority;
 import org.chromium.net.UploadDataProvider;
 import org.chromium.net.UrlRequest;
 import org.chromium.net.UrlRequestException;
+import org.chromium.net.UrlRequestMetrics;
 import org.chromium.net.UrlResponseInfo;
 
 import java.nio.ByteBuffer;
@@ -696,8 +696,8 @@ public final class CronetUrlRequest implements UrlRequest {
         postTaskToExecutor(task);
     }
 
-    UrlRequestInfo getRequestInfo() {
-        return new UrlRequestInfo(mInitialUrl, mRequestAnnotations,
+    RequestFinishedInfo getRequestInfo() {
+        return new RequestFinishedInfo(mInitialUrl, mRequestAnnotations,
                 (mRequestMetricsAccumulator != null ? mRequestMetricsAccumulator.getRequestMetrics()
                                                     : EMPTY_METRICS),
                 mResponseInfo);