[WPT Export] Add proper author to exported commits

third_party/WebKit/Tools/Scripts/webkitpy/w3c/chromium_commit.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/w3c/chromium_commit.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/w3c/chromium_commit.py b/third_party/WebKit/Tools/Scripts/webkitpy/w3c/chromium_commit.py
index 065c4c4dd58000dd8a01fc1131d4e894bbecc175..6e9c469d3a5aa8ff4606bb56454b40f85773c409 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/w3c/chromium_commit.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/w3c/chromium_commit.py
@@ -58,6 +58,11 @@ class ChromiumCommit(object):
             '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([