HttpRequest: expose the default number of retries as a constant

So that others can test against it. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=110725223

Author: dhalperi

google-http-client/src/main/java/com/google/api/client/http/HttpRequest.java

@@ -64,6 +64,15 @@ public final class HttpRequest {
  */
  public static final String USER_AGENT_SUFFIX = "Google-HTTP-Java-Client/" + VERSION + " (gzip)";
 
+ /**
+ * The default number of retries that will be allowed to execute before the request will be
+ * terminated.
+ *
+ * @see #getNumberOfRetries
+ * @since 1.22
+ */
+ public static final int DEFAULT_NUMBER_OF_RETRIES = 10;
+
  /**
  * HTTP request execute interceptor to intercept the start of {@link #execute()} (before executing
  * the HTTP request) or {@code null} for none.
@@ -98,7 +107,7 @@ static String executeAndGetValueOfSomeCustomHeader(HttpRequest request) {
  * {@link HttpUnsuccessfulResponseHandler} or {@link HttpIOExceptionHandler} which handles
  * abnormal HTTP response or the I/O exception.
  */
- private int numRetries = 10;
+ private int numRetries = DEFAULT_NUMBER_OF_RETRIES;
 
  /**
  * Determines the limit to the content size that will be logged during {@link #execute()}.
@@ -647,7 +656,7 @@ public int getNumberOfRetries() {
  * abnormal HTTP response or the I/O exception.
  *
  * <p>
- * The default value is {@code 10}.
+ * The default value is {@link #DEFAULT_NUMBER_OF_RETRIES}.
  * </p>
  *
  * @since 1.5