[Cronet] Mark request as complete when OutputStream fails

components/cronet/android/java/src/org/chromium/net/urlconnection/CronetOutputStream.java

Index: components/cronet/android/java/src/org/chromium/net/urlconnection/CronetOutputStream.java
diff --git a/components/cronet/android/java/src/org/chromium/net/urlconnection/CronetOutputStream.java b/components/cronet/android/java/src/org/chromium/net/urlconnection/CronetOutputStream.java
index 03c4b4bae3378684f3183dca75011d1a23987d1e..c73426a6a94e07ce1f12cba93a6275cc402a9537 100644
--- a/components/cronet/android/java/src/org/chromium/net/urlconnection/CronetOutputStream.java
+++ b/components/cronet/android/java/src/org/chromium/net/urlconnection/CronetOutputStream.java
@@ -54,13 +54,21 @@ abstract class CronetOutputStream extends OutputStream {
      */
     protected void checkNotClosed() throws IOException {
         if (mRequestCompleted) {
-            if (mException != null) {
-                throw mException;
-            }
+            checkNoException();
             throw new IOException("Writing after request completed.");
         }
         if (mClosed) {
             throw new IOException("Stream has been closed.");
         }
     }
+
+    /**
+     * Throws the same IOException that the request is failed with. If there
+     * is no exception reported, this method is no-op.
+     */
+    protected void checkNoException() throws IOException {
+        if (mException != null) {
+            throw mException;
+        }
+    }
 }