Add Windows ASAN bots.

scripts/master/factory/chromium_commands.py

Index: scripts/master/factory/chromium_commands.py
diff --git a/scripts/master/factory/chromium_commands.py b/scripts/master/factory/chromium_commands.py
index 702be99e2a9196b25b04d7ce75a7d26048b2818c..017e52c8ae022a321b89db3fcbfb5bec8632eb76 100644
--- a/scripts/master/factory/chromium_commands.py
+++ b/scripts/master/factory/chromium_commands.py
@@ -71,6 +71,7 @@ class ChromiumCommands(commands.FactoryCommands):
     self._archive_tool = J(s_dir, 'archive_build.py')
     self._sizes_tool = J(s_dir, 'sizes.py')
     self._check_lkgr_tool = J(s_dir, 'check_lkgr.py')
+    self._windows_asan_tool = J(s_dir, 'win_apply_asan.py')
 
     # Scripts in the private dir.
     self._download_and_extract_official_tool = self.PathJoin(
@@ -135,6 +136,12 @@ class ChromiumCommands(commands.FactoryCommands):
     self._factory.addStep(FileUpload(slavesrc=slavesrc,
                                      masterdest=masterdest))
 
+  def AddWindowsASANStep(self):
+    """Adds a step to run syzygy/ASAN over the output directory."""
+    cmd = [self._python, self._windows_asan_tool,
+           '--build-dir', self._build_dir, '--target', self._target]
+    self.AddTestStep(shell.ShellCommand, 'apply_asan', cmd)
+
   def AddArchiveBuild(self, mode='dev', show_url=True, factory_properties=None):
     """Adds a step to the factory to archive a build."""