Remove BUG= and TEST= checks from upload commit presubmit check.

PRESUBMIT.py

 # Copyright (c) 2010 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.
 
 """Top-level presubmit script for Chromium.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into gcl.
 """
 
 _EXCLUDED_PATHS = (
-    r"breakpad[\\\/].*",
-    r"net/tools/spdyshark/[\\\/].*",
-    r"skia[\\\/].*",
-    r"v8[\\\/].*",
+    r"^breakpad[\\\/].*",
+    r"^net/tools/spdyshark/[\\\/].*",
+    r"^skia[\\\/].*",
+    r"^v8[\\\/].*",
+    r".*MakeFile$",
 )
 
 _TEXT_FILES = (
     r".*\.txt",
     r".*\.json",
 )
 
 _LICENSE_HEADER = (
      r".*? Copyright \(c\) 20[0-9\-]{2,7} The Chromium Authors\. All rights "
        r"reserved\." "\n"
@@ skipping 73 matching lines @@
   white_list = input_api.DEFAULT_WHITE_LIST + _TEXT_FILES
   sources = lambda x: input_api.FilterSourceFile(x, black_list=black_list)
   text_files = lambda x: input_api.FilterSourceFile(x, black_list=black_list,
                                                     white_list=white_list)
   results.extend(input_api.canned_checks.CheckLongLines(
       input_api, output_api, source_file_filter=sources))
   results.extend(input_api.canned_checks.CheckChangeHasNoTabs(
       input_api, output_api, source_file_filter=sources))
   results.extend(input_api.canned_checks.CheckChangeHasNoStrayWhitespace(
       input_api, output_api, source_file_filter=sources))
-  results.extend(input_api.canned_checks.CheckChangeHasBugField(
-      input_api, output_api))
-  results.extend(input_api.canned_checks.CheckChangeHasTestField(
-      input_api, output_api))
   results.extend(input_api.canned_checks.CheckChangeSvnEolStyle(
       input_api, output_api, source_file_filter=text_files))
   results.extend(input_api.canned_checks.CheckSvnForCommonMimeTypes(
       input_api, output_api))
   results.extend(input_api.canned_checks.CheckLicense(
       input_api, output_api, _LICENSE_HEADER, source_file_filter=sources))
   results.extend(_CheckConstNSObject(
       input_api, output_api, source_file_filter=sources))
   results.extend(_CheckSingletonInHeaders(
       input_api, output_api, source_file_filter=sources))
@@ skipping 41 matching lines @@
     'Chromium Arm (dbg)',
     'Chromium Linux',
     'Chromium Linux x64',
   ]
   results.extend(input_api.canned_checks.CheckBuildbotPendingBuilds(
       input_api,
       output_api,
       'http://build.chromium.org/p/chromium/json/builders?filter=1',
       6,
       IGNORED_BUILDERS))
+  results.extend(input_api.canned_checks.CheckChangeHasBugField(
+      input_api, output_api))
+  results.extend(input_api.canned_checks.CheckChangeHasTestField(
+      input_api, output_api))
   return results
 
 
 def GetPreferredTrySlaves():
   return ['win', 'linux', 'mac']