Docs: Remove unnecessary redirects from directories to 'index' files since we

chrome/common/extensions/docs/server2/content_provider.py

Index: chrome/common/extensions/docs/server2/content_provider.py
diff --git a/chrome/common/extensions/docs/server2/content_provider.py b/chrome/common/extensions/docs/server2/content_provider.py
index c0138f5149de5a2b206d8cdef72b8ebcb6658df7..d62ba4f753354e58518cdab52a0a3484f6639ded 100644
--- a/chrome/common/extensions/docs/server2/content_provider.py
+++ b/chrome/common/extensions/docs/server2/content_provider.py
@@ -13,7 +13,7 @@ from docs_server_utils import ToUnicode
 from file_system import FileNotFoundError
 from future import Future
 from path_canonicalizer import PathCanonicalizer
-from path_util import AssertIsValid, Join, ToDirectory
+from path_util import AssertIsValid, IsDirectory, Join, ToDirectory
 from special_paths import SITE_VERIFICATION_FILE
 from third_party.handlebar import Handlebar
 from third_party.markdown import markdown
@@ -148,8 +148,12 @@ class ContentProvider(object):
       new_path = self._AddExt(path)
       # Add a trailing / to check if it is a directory and not a file with
       # no extension.
-      if new_path is None and self.file_system.Exists(path + '/').Get():
-        new_path = self._AddExt(path + '/index')
+      if new_path is None and self.file_system.Exists(ToDirectory(path)).Get():
+        new_path = self._AddExt(Join(path, 'index'))
+        # If an index file wasn't found in this directly then we're never going
+        # to find a file.
+        if new_path is None:
+          return FileNotFoundError.RaiseInFuture('"%s" is a directory' % path)
       if new_path is not None:
         path = new_path