[Telemetry] Combine SysfsPlatformBackend into LinuxBasedPlatformBackend.

tools/telemetry/telemetry/core/platform/sysfs_platform.py

Index: tools/telemetry/telemetry/core/platform/sysfs_platform.py
diff --git a/tools/telemetry/telemetry/core/platform/sysfs_platform.py b/tools/telemetry/telemetry/core/platform/sysfs_platform.py
deleted file mode 100644
index c5c95168f7d66398bdf9e3a837ac0fdf157b5086..0000000000000000000000000000000000000000
--- a/tools/telemetry/telemetry/core/platform/sysfs_platform.py
+++ /dev/null
@@ -1,34 +0,0 @@
-# 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 SysfsPlatform(object):
-  """A platform-specific utility class for running shell commands and properly
-  gathering c-state data.
-  """
-  def RunShellCommand(self, command):
-    """Run command on this particular shell.
-
-    Args:
-        A command string to be executed in the shell.
-
-    Returns:
-        A string containing the results of the command.
-    """
-    raise NotImplementedError()
-
-  @staticmethod
-  def ParseStateSample(sample):
-    """Parse a single c-state residency sample.
-
-    Args:
-        sample: A sample of c-state residency times to be parsed. Organized as
-            a dictionary mapping CPU name to a string containing all c-state
-            names, the times in each state, the latency of each state, and the
-            time at which the sample was taken all separated by newlines.
-            Ex: {'cpu0': 'C0\nC1\n5000\n2000\n20\n30\n1406673171'}
-
-    Returns:
-        Dictionary associating a c-state with a time.
-    """
-    raise NotImplementedError()