Add web page replay to chrome_remote_control.

tools/chrome_remote_control/chrome_remote_control/browser.py

Index: tools/chrome_remote_control/chrome_remote_control/browser.py
diff --git a/tools/chrome_remote_control/chrome_remote_control/browser.py b/tools/chrome_remote_control/chrome_remote_control/browser.py
index e90bf9eaf8ce39e060d0157e29f937751684b09f..334853301e2e2758475053942fb45c44ba46288b 100644
--- a/tools/chrome_remote_control/chrome_remote_control/browser.py
+++ b/tools/chrome_remote_control/chrome_remote_control/browser.py
@@ -1,6 +1,9 @@
 # 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.
+import os
+
+from chrome_remote_control import replay_server
 from chrome_remote_control import temporary_http_server
 
 class Browser(object):
@@ -43,3 +46,13 @@ class Browser(object):
 
   def CreateTemporaryHTTPServer(self, path):
     return temporary_http_server.TemporaryHTTPServer(self._backend, path)
+
+  @classmethod
+  def CanUseReplayServer(cls, archive_path, use_record_mode):
+    return os.path.isfile(archive_path) or use_record_mode
+
+  def CreateReplayServer(self, archive_path, use_record_mode):
+    replay_class = replay_server.DoNothingReplayServer
+    if self.CanUseReplayServer(archive_path, use_record_mode):
+      replay_class = replay_server.ReplayServer
+    return replay_class(self._backend, archive_path, use_record_mode)