Change GitCL to initialize git executable name on Windows.

third_party/WebKit/Tools/Scripts/webkitpy/common/net/git_cl.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/common/net/git_cl.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/common/net/git_cl.py b/third_party/WebKit/Tools/Scripts/webkitpy/common/net/git_cl.py
index 5c03c13dc05b6e6a2aa3bf33d8376e09364b0a65..a291236d8a1cc4fd999e4047477bf9a878d4eb58 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/common/net/git_cl.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/common/net/git_cl.py
@@ -13,6 +13,7 @@ import logging
 import re
 
 from webkitpy.common.net.buildbot import Build, filter_latest_builds
+from webkitpy.common.checkout.git import Git
 
 _log = logging.getLogger(__name__)
 
@@ -27,10 +28,11 @@ class GitCL(object):
         self._host = host
         self._auth_refresh_token_json = auth_refresh_token_json
         self._cwd = cwd
+        self._git_executable_name = Git.find_executable_name(host.executive, host.platform)
 
     def run(self, args):
         """Runs git-cl with the given arguments and returns the output."""
-        command = ['git', 'cl'] + args
+        command = [self._git_executable_name, 'cl'] + args
         if self._auth_refresh_token_json and args[0] in _COMMANDS_THAT_TAKE_REFRESH_TOKEN:
             command += ['--auth-refresh-token-json', self._auth_refresh_token_json]
         return self._host.executive.run_command(command, cwd=self._cwd)