bot_update: add --auth-refresh-token-json passthrough for apply_issue

recipe_modules/bot_update/api.py

Index: recipe_modules/bot_update/api.py
diff --git a/recipe_modules/bot_update/api.py b/recipe_modules/bot_update/api.py
index d88d929938bcbbc954d9e835c5c8eca5f8b6ed02..411c08d28251006ac241849dcef0dd7c3dfc3857 100644
--- a/recipe_modules/bot_update/api.py
+++ b/recipe_modules/bot_update/api.py
@@ -72,7 +72,8 @@ class BotUpdateApi(recipe_api.RecipeApi):
                       patch=True, update_presentation=True,
                       force=False, patch_root=None, no_shallow=False,
                       with_branch_heads=False, refs=None,
-                      patch_oauth2=False, use_site_config_creds=True,
+                      patch_oauth2=False, oauth2_json=False,
+                      use_site_config_creds=True,
                       output_manifest=True, clobber=False,
                       root_solution_revision=None, rietveld=None, issue=None,
                       patchset=None, gerrit_no_reset=False,
@@ -139,7 +140,13 @@ class BotUpdateApi(recipe_api.RecipeApi):
 
     # Point to the oauth2 auth files if specified.
     # These paths are where the bots put their credential files.
-    if patch_oauth2:
+    oauth2_json_file = email_file = key_file = None
+    if oauth2_json:
+      if self.m.platform.is_win:
+        oauth2_json_file = 'C:\\creds\\refresh_tokens\\rietveld.json'
+      else:
+        oauth2_json_file = '/creds/refresh_tokens/rietveld.json'
+    elif patch_oauth2:

[tandrii(chromium), 2016/09/01 15:49:33]

since oauth2_json takes patch_oauth2, i'd add to top level 

assert not (oauth2_json and patch_oauth2)

[Ryan Tseng, 2016/09/19 19:01:27]

Done.

       # TODO(martiniss): remove this hack :(. crbug.com/624212
       if use_site_config_creds:
         email_file = self.m.path['build'].join(
@@ -150,8 +157,6 @@ class BotUpdateApi(recipe_api.RecipeApi):
         #TODO(martiniss): make this use path.join, so it works on windows
         email_file = '/creds/rietveld/client_email'
         key_file = '/creds/rietveld/secret_key'
-    else:
-      email_file = key_file = None
 
     # Allow patch_project's revision if necessary.
     # This is important for projects which are checked out as DEPS of the
@@ -182,6 +187,7 @@ class BotUpdateApi(recipe_api.RecipeApi):
         ['--gerrit_ref', gerrit_ref],
         ['--apply_issue_email_file', email_file],
         ['--apply_issue_key_file', key_file],
+        ['--apply_issue_oauth2_file', oauth2_json_file],
 
         # 4. Hookups to JSON output back into recipes.
         ['--output_json', self.m.json.output()],]