[Findit] Fix network timeout.

tools/findit/crash_utils.py

 # Copyright (c) 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.
 
 import atexit
 import cgi
 import ConfigParser
 import json
 import os
 import Queue
@@ skipping 275 matching lines @@
     JSON object if the string represents a JSON object, None otherwise.
   """
   try:
     data = json.loads(json_string)
   except ValueError:
     data = None
 
   return data
 
 
-def GetDataFromURL(url, retries=10, sleep_time=0.1, timeout=5):
+def GetDataFromURL(url):
   """Retrieves raw data from URL, tries 10 times.
 
   Args:
     url: URL to get data from.
     retries: Number of times to retry connection.
-    sleep_time: Time in seconds to wait before retrying connection.
-    timeout: Time in seconds to wait before time out.
 
   Returns:
     None if the data retrieval fails, or the raw data.
   """
-  count = 0
-  while True:
-    count += 1
-    # Retrieves data from URL.
-    try:
-      status_code, data = utils.GetHttpClient().Get(url, timeout=timeout)
-    except IOError as e:
-      status_code = -1
-      data = None
-
-    if status_code == 200:
-      return data
-
-    if count < retries:
-      # If retrieval fails, try after sleep_time second.
-      time.sleep(sleep_time)
-    else:
-      break
-
-  # Return None if it fails to read data from URL 'retries' times.
-  return None
+  status_code, data = utils.GetHttpClient().Get(url, retries=10)
+  if status_code == 200:
+    return data
+  else:
+    # Return None if it fails to read data.
+    return None
 
 
 def FindMinLineDistance(crashed_line_list, changed_line_numbers,
                         line_range=3):
   """Calculates how far the changed line is from one of the crashes.
 
   Finds the minimum distance between the lines that the file crashed on
   and the lines that the file changed. For example, if the file crashed on
   line 200 and the CL changes line 203,204 and 205, the function returns 3.
 
@@ skipping 243 matching lines @@
     review_url = None
     reviewers = None
     line_content = blame.line_content
     message = blame.message
 
     result = Result(suspected_cl, revision_url, component_name, author, reason,
                     review_url, reviewers, line_content, message)
     result_list.append(result)
 
   return result_list