[WPT Export] Add proper author to exported commits

third_party/WebKit/Tools/Scripts/webkitpy/w3c/chromium_commit.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.
 
 from webkitpy.common.memoized import memoized
 from webkitpy.common.webkit_finder import WebKitFinder
 from webkitpy.w3c.deps_updater import DepsUpdater
 
 CHROMIUM_WPT_DIR = 'third_party/WebKit/LayoutTests/imported/wpt/'
 
@@ skipping 40 matching lines @@
     def subject(self):
         return self.host.executive.run_command([
             'git', 'show', '--format=%s', '--no-patch', self.sha
         ])
 
     def body(self):
         return self.host.executive.run_command([
             'git', 'show', '--format=%b', '--no-patch', self.sha
         ])
 
+    def author(self):
+        return self.host.executive.run_command([
+            'git', 'show', '--format="%aN <%aE>"', '--no-patch', self.sha
+        ])
+
     def message(self):
         """Returns a string with a commit's subject and body."""
         return self.host.executive.run_command([
             'git', 'show', '--format=%B', '--no-patch', self.sha
         ])
 
     def filtered_changed_files(self):
         """Makes a patch with just changes in files in the WPT dir for a given commit."""
         changed_files = self.host.executive.run_command([
             'git', 'diff-tree', '--name-only', '--no-commit-id', '-r', self.sha,
@@ skipping 20 matching lines @@
 
     @memoized
     def absolute_chromium_wpt_dir(self):
         finder = WebKitFinder(self.host.filesystem)
         return finder.path_from_webkit_base('LayoutTests', 'imported', 'wpt')
 
     @memoized
     def absolute_chromium_dir(self):
         finder = WebKitFinder(self.host.filesystem)
         return finder.chromium_base()