[Telemetry] Adds maps_earth test

tools/perf/benchmarks/maps_earth.py

+# Copyright 2015 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.
+
+"""Runs a Google Maps/Earth performance test.
+
+Surf Maps/Earth layer to exercise WebGL 3D model."""
+
+
+from measurements import no_op
+import page_sets
+from telemetry import benchmark
+
+
+#@benchmark.Disabled
+class MapsEarthBenchmark(benchmark.Benchmark):
+  """Basic Google Maps/Earth benchmarks."""
+  test = no_op.NoOp
+  page_set = page_sets.MapsEarthPageSet
+
+  @classmethod
+  def Name(cls):
+    return 'maps_earth'