[Startup Tracing][Telemetry] Move tracing_options and tracing_category_filter

tools/telemetry/telemetry/core/platform/tracing_options.py

-# 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.
-
-RECORD_UNTIL_FULL = 'record-until-full'
-RECORD_CONTINUOUSLY = 'record-continuously'
-RECORD_AS_MUCH_AS_POSSIBLE = 'record-as-much-as-possible'
-ECHO_TO_CONSOLE = 'trace-to-console'
-
-RECORD_MODES = [
-  RECORD_UNTIL_FULL,
-  RECORD_CONTINUOUSLY,
-  RECORD_AS_MUCH_AS_POSSIBLE,
-  ECHO_TO_CONSOLE
-]
-
-ENABLE_SYSTRACE = 'enable-systrace'
-
-class TracingOptions(object):
-  """Tracing options control which core tracing systems should be enabled.
-
-  This simply turns on those systems. If those systems have additional options,
-  e.g. what to trace, then they are typically configured by adding
-  categories to the TracingCategoryFilter.
-
-  Options:
-      enable_chrome_trace: a boolean that specifies whether to enable
-                           chrome tracing.
-      enable_platform_display_trace: a boolean that specifies whether to
-                                     platform display tracing.
-
-      The following ones are specific to chrome tracing. See
-      base/trace_event/trace_config.h for more information.
-          record_mode: can be any mode in RECORD_MODES. This corresponds to
-                       record modes in chrome.
-          enable_systrace: a boolean that specifies whether to enable systrace.
-  """
-  def __init__(self):
-    self.enable_chrome_trace = False
-    self.enable_platform_display_trace = False
-
-    self._record_mode = RECORD_AS_MUCH_AS_POSSIBLE
-    self._enable_systrace = False
-
-  @property
-  def record_mode(self):
-    return self._record_mode
-
-  @record_mode.setter
-  def record_mode(self, value):
-    assert value in RECORD_MODES
-    self._record_mode = value
-
-  @property
-  def enable_systrace(self):
-    return self._enable_systrace
-
-  @enable_systrace.setter
-  def enable_systrace(self, value):
-    self._enable_systrace = value
-
-  def GetTraceOptionsStringForChromeDevtool(self):
-    """Map Chrome tracing options in Telemetry to the DevTools API string."""
-    # Map telemetry's tracing record_mode to the DevTools API string.
-    # (The keys happen to be the same as the values.)
-    m = {
-      RECORD_UNTIL_FULL: 'record-until-full',
-      RECORD_CONTINUOUSLY: 'record-continuously',
-      RECORD_AS_MUCH_AS_POSSIBLE: 'record-as-much-as-possible',
-      ECHO_TO_CONSOLE: 'trace-to-console'
-    }
-    result = [m[self._record_mode]]
-    if self._enable_systrace:
-      result.append(ENABLE_SYSTRACE)
-    return ','.join(result)