[telemetry] Wire TsProxy through telemetry's network stack.

telemetry/telemetry/internal/platform/cros_platform_backend.py

Index: telemetry/telemetry/internal/platform/cros_platform_backend.py
diff --git a/telemetry/telemetry/internal/platform/cros_platform_backend.py b/telemetry/telemetry/internal/platform/cros_platform_backend.py
index 3ac7d3902f0a7ead1aaca6ff45d37cd8a3ff60e8..3ff5edccf77ef472d3ea94d649c81603e1dcc648 100644
--- a/telemetry/telemetry/internal/platform/cros_platform_backend.py
+++ b/telemetry/telemetry/internal/platform/cros_platform_backend.py
@@ -8,7 +8,6 @@ from telemetry import decorators
 from telemetry.core import cros_interface
 from telemetry.core import platform
 from telemetry.core import util
-from telemetry.internal import forwarders
 from telemetry.internal.forwarders import cros_forwarder
 from telemetry.internal.platform import cros_device
 from telemetry.internal.platform import linux_based_platform_backend
@@ -56,17 +55,6 @@ class CrosPlatformBackend(
       return port
     return self._cri.GetRemotePort()
 
-  def GetWprPortPairs(self):
-    """Return suitable port pairs to be used for web page replay."""
-    default_local_ports = super(CrosPlatformBackend, self).GetWprPortPairs(
-        ).local_ports
-    return forwarders.PortPairs.Zip(
-        default_local_ports,
-        forwarders.PortSet(
-          http=self.GetRemotePort(default_local_ports.http),
-          https=self.GetRemotePort(default_local_ports.https),
-          dns=None))
-
   def IsThermallyThrottled(self):
     raise NotImplementedError()