Expose GPU information to Telemetry.

tools/telemetry/telemetry/core/chrome/system_info_backend.py

Index: tools/telemetry/telemetry/core/chrome/system_info_backend.py
diff --git a/tools/telemetry/telemetry/core/chrome/system_info_backend.py b/tools/telemetry/telemetry/core/chrome/system_info_backend.py
new file mode 100644
index 0000000000000000000000000000000000000000..ba4fe1dbc6b9c5e0b5a7395655bb60ac50b54a7b
--- /dev/null
+++ b/tools/telemetry/telemetry/core/chrome/system_info_backend.py
@@ -0,0 +1,23 @@
+# Copyright (c) 2013 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.core import system_info
+from telemetry.core.chrome import websocket_browser_connection as browser_conn
+from telemetry.core.chrome import camel_case_converter as camel_case
+
+
+class SystemInfoBackend(object):
+  def __init__(self, devtools_port):
+    self._conn = browser_conn.WebSocketBrowserConnection(devtools_port)
+
+  def Close(self):
+    self._conn.Close()
+
+  def GetSystemInfo(self, timeout=10):
+    req = {'method': 'SystemInfo.getInfo'}
+    res = self._conn.SyncRequest(req, timeout)
+    if 'error' in res:
+      return None
+    return system_info.SystemInfo.FromDict(
+        camel_case.CamelCaseConverter.FromCamelCase(res['result']))