Rename any builder with prefix 'WebKit Linux' to 'WebKit Linux Precise'

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/update_test_expectations.py

 # Copyright 2016 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.
 
 """Updates TestExpectations based on results in builder bots.
 
 Scans the TestExpectations file and uses results from actual builder bots runs
 to remove tests that are marked as flaky but don't fail in the specified way.
 
 E.g. If a test has this expectation:
@@ skipping 166 matching lines @@
                                      'SKIP')
         return any(s in expectations for s in unstrippable_expectations)
 
     def _get_builder_results_by_path(self):
         """Returns a dictionary of results for each builder.
 
         Returns a dictionary where each key is a builder and value is a dictionary containing
         the distinct results for each test. E.g.
 
         {
-            'WebKit Linux': {
+            'WebKit Linux Precise': {
                   'test1.html': ['PASS', 'IMAGE'],
                   'test2.html': ['PASS'],
             },
             'WebKit Mac10.10': {
                   'test1.html': ['PASS', 'IMAGE'],
                   'test2.html': ['PASS', 'TEXT'],
             }
         }
         """
         builder_results_by_path = {}
@@ skipping 92 matching lines @@
         """Writes the given TestExpectations object to the filesystem.
 
         Args:
             test_expectations: The TestExpectations object to write.
             test_expectations_file: The full file path of the Blink
                 TestExpectations file. This file will be overwritten.
         """
         self._host.filesystem.write_text_file(
             test_expectations_file,
             TestExpectations.list_to_string(test_expectations, reconstitute_only_these=[]))