Docserver: Serve docs out of src/ not src/chrome/common/extensions. This allows

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

Index: chrome/common/extensions/docs/server2/local_file_system.py
diff --git a/chrome/common/extensions/docs/server2/local_file_system.py b/chrome/common/extensions/docs/server2/local_file_system.py
index bb0bb16f6a079c18f28d419ebace8b54e999c8fe..f0a3f9dc822c8e2127572a593320b5e19f07c3a6 100644
--- a/chrome/common/extensions/docs/server2/local_file_system.py
+++ b/chrome/common/extensions/docs/server2/local_file_system.py
@@ -69,7 +69,8 @@ class LocalFileSystem(FileSystem):
 
   @staticmethod
   def Create():
-    return LocalFileSystem(os.path.join(sys.path[0], os.pardir, os.pardir))
+    return LocalFileSystem(
+        os.path.join(sys.path[0], '..', '..', '..', '..', '..'))
 
   def Read(self, paths, binary=False):
     result = {}