Add a telemetry-based gpu_tests folder

content/test/gpu/gpu_tests/pixel_test.py

Index: content/test/gpu/gpu_tests/pixel_test.py
diff --git a/content/test/gpu/gpu_tests/pixel_test.py b/content/test/gpu/gpu_tests/pixel_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..f03b05a16905fe622eba059921e79e485faa071b
--- /dev/null
+++ b/content/test/gpu/gpu_tests/pixel_test.py
@@ -0,0 +1,16 @@
+# 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.
+from telemetry import page_test
+
+class PixelTestFailure(Exception):
+  pass
+
+class PixelTest(page_test.PageTest):
+  def __init__(self):
+    super(PixelTest, self).__init__('ValidatePage')
+
+  def ValidatePage(self, page, tab, results):
+    # TODO(bajones): Grab screenshot, compare to reference.
+    # page.reference_image
+    pass