Revert of Adds bot_update to depot_tools.

infra/recipe_modules/rietveld/api.py

-# Copyright 2013 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.
-
-import urlparse
-
-from recipe_engine import recipe_api
-
-class RietveldApi(recipe_api.RecipeApi):
-  def calculate_issue_root(self, extra_patch_project_roots=None):
-    """Returns path where a patch should be applied to based on "patch_project".
-
-    Maps Rietveld's "patch_project" to a path of directories relative to
-    api.gclient.c.solutions[0].name which describe where to place the patch.
-
-    Args:
-      extra_patch_project_roots: Dict mapping project names to relative roots.
-
-    Returns:
-      Relative path or empty string if patch_project is not set or path for a
-      given is unknown.
-    """
-    # Property 'patch_project' is set by Rietveld, 'project' is set by git-try
-    # when TRYSERVER_PROJECT is present in codereview.settings.
-    patch_project = (self.m.properties.get('patch_project') or
-                     self.m.properties.get('project'))
-
-    # Please avoid adding projects into this hard-coded list unless your project
-    # CLs are being run by multiple recipes. Instead pass patch_project_roots to
-    # ensure_checkout.
-    patch_project_roots = {
-      'angle/angle': ['third_party', 'angle'],
-      'blink': ['third_party', 'WebKit'],
-      'v8': ['v8'],
-      'luci-py': ['luci'],
-      'recipes-py': ['recipes-py'],
-    }
-
-    # Make sure to update common projects (above) with extra projects (and not
-    # vice versa, so that recipes can override default values if needed.
-    if extra_patch_project_roots:
-      patch_project_roots.update(extra_patch_project_roots)
-
-    path_parts = patch_project_roots.get(patch_project)
-    return self.m.path.join(*path_parts) if path_parts else ''