Add CIPD binary installation to DEPS runhooks.

go/bootstrap.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """Prepares a local hermetic Go installation.
 
 - Downloads and unpacks the Go toolset in ../../golang.
 - Downloads and installs goop and golint.
 - Fetches code dependencies via goop.
@@ skipping 454 matching lines @@
     for d in ['infra', 'infra_internal']:
       if p.startswith(os.path.join(gclient_root, d, 'go')):
         return False
     return True
   path = filter(should_keep, path)
 
   # New PATH entries.
   paths_to_add = [
     os.path.join(env['GOROOT'], 'bin'),
     env.get('GOBIN'),
+    os.path.join(ROOT, 'cipd_package_root', 'bin'),
   ]
   paths_to_add.extend(os.path.join(p, '.vendor', 'bin') for p in vendor_paths)
   if go_appengine_path:
     paths_to_add.append(go_appengine_path)
 
   # Make sure not to add duplicates entries to PATH over and over again when
   # get_go_environ is invoked multiple times.
   paths_to_add = [p for p in paths_to_add if p and p not in path]
   env['PATH'] = os.pathsep.join(paths_to_add + path)
 
@@ skipping 157 matching lines @@
         'Linux')
 
   bootstrap([WORKSPACE], logging.DEBUG, toolset=opts.toolset)
   if opts.build_cross:
     build_cross_toolset(opts.toolset)
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))