Extensions Docs Server: Preview server and more integration tests

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

-# Copyright (c) 2012 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.
-
-class InMemoryMemcache(object):
-  """A memcache that stores items in memory instead of using the memcache
-  module.
-  """
-  def __init__(self):
-    self._cache = {}
-
-  def set(self, key, value, namespace, time=60):
-    if namespace not in self._cache:
-      self._cache[namespace] = {}
-    self._cache[namespace][key] = value
-
-  def get(self, key, namespace):
-    if namespace not in self._cache:
-      return None
-    return self._cache[namespace].get(key, None)
-
-  def delete(self, key, namespace):
-    if namespace in self._cache:
-      self._cache[namespace].pop(key)