Fix http server to not gzip files when etag matches.

R=ppi@chromium.org

Review URL: https://codereview.chromium.org/1353463002 .

mojo/devtools/common/devtoolslib/http_server.py

diff --git a/mojo/devtools/common/devtoolslib/http_server.py b/mojo/devtools/common/devtoolslib/http_server.py
index fe2be7a..92aa8e6 100644
--- a/mojo/devtools/common/devtoolslib/http_server.py
+++ b/mojo/devtools/common/devtoolslib/http_server.py
@@ -119,7 +119,7 @@
       # pylint: disable=W0201
       self.close_connection = 1
 
-      path = self.translate_path(self.path)
+      path = self.translate_path(self.path, False)
       if os.path.isfile(path):
         # Handle If-None-Match
         etag = self.get_etag()