Telemetry: Move Web Page Replay to the platform.

tools/telemetry/telemetry/core/platform/network_controller.py

Index: tools/telemetry/telemetry/core/platform/network_controller.py
diff --git a/tools/telemetry/telemetry/core/platform/network_controller.py b/tools/telemetry/telemetry/core/platform/network_controller.py
new file mode 100644
index 0000000000000000000000000000000000000000..19826c3f395ed72fa3dfca92c45331cee47049bd
--- /dev/null
+++ b/tools/telemetry/telemetry/core/platform/network_controller.py
@@ -0,0 +1,28 @@
+# Copyright 2014 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 NetworkController(object):
+  """Control network settings and servers to simulate the Web.
+
+  Network changes include forwarding device ports to host platform ports.
+  Web Page Replay is used to record and replay HTTP/HTTPS responses.
+  """
+
+  def __init__(self, network_controller_backend):
+    self._network_controller_backend = network_controller_backend
+
+  def SetReplayArgs(self, archive_path, wpr_mode, netsim, extra_wpr_args,
+                    make_javascript_deterministic=False):
+    """Save the arguments needed for replay."""
+    self._network_controller_backend.SetReplayArgs(
+        archive_path, wpr_mode, netsim, extra_wpr_args,
+        make_javascript_deterministic)
+
+  def UpdateReplayForExistingBrowser(self):
+    """Restart replay if needed for an existing browser.
+
+    TODO(slamm): Drop this method when the browser_backend dependencies are
+    moved to the platform. https://crbug.com/423962
+    """
+    self._network_controller_backend.UpdateReplay()