On Windows XP platform, don't run GOMA service.

tools/run-bisect-perf-regression.py

Index: tools/run-bisect-perf-regression.py
diff --git a/tools/run-bisect-perf-regression.py b/tools/run-bisect-perf-regression.py
index ba3a6c8b281298ac765adaa41f4eb244692b0cd3..be5ef606927ffd466a0f889a939b1b08cada3ba8 100755
--- a/tools/run-bisect-perf-regression.py
+++ b/tools/run-bisect-perf-regression.py
@@ -15,6 +15,7 @@ directory provided, and run the bisect-perf-regression.py script there.
 import imp
 import optparse
 import os
+import platform
 import subprocess
 import sys
 import traceback
@@ -388,6 +389,13 @@ def _RunBisectionScript(config, working_directory, path_to_file, path_to_goma,
       cmd.extend(['--target_platform', 'android'])
 
   if path_to_goma:
+    # crbug.com/330900. For Windows XP platforms, GOMA service is not supported.
+    # Moreover we don't compile chrome when gs_bucket flag is set instead
+    # use builds archives, therefore ignore GOMA service for Windows XP.
+    if config.get('gs_bucket') and platform.release() == 'XP':
+      print ('Goma doesn\'t have a win32 binary, therefore it is not supported '
+             'on Windows XP platform. Please refer to crbug.com/330900.')
+      path_to_goma = None
     cmd.append('--use_goma')
 
   if path_to_extra_src: