[Telemetry] Reorganize everything.

tools/telemetry/telemetry/timeline_event.py

-# 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.
-
-class TimelineEvent(object):
-  """Represents a timeline event."""
-  def __init__(self, name, start_time_ms, duration_ms, args=None):
-    self.name = name
-    self.start_time_ms = start_time_ms
-    self.duration_ms = duration_ms
-    self.children = []
-    self.args = args
-
-  @property
-  def end_time_ms(self):
-    return self.start_time_ms + self.duration_ms
-
-  @property
-  def self_time_ms(self):
-    """Time spent in this function less any time spent in child events."""
-    child_total = sum(
-      [e.duration_ms for e in self.children])
-    return self.duration_ms - child_total
-
-  def __repr__(self):
-    if self.args:
-      args_str = ', ' + repr(self.args)
-    else:
-      args_str = ''
-
-    return "TimelineEvent(name='%s', start_ms=%f, duration_ms=%s%s)" % (
-      self.name,
-      self.start_time_ms,
-      self.duration_ms,
-      args_str)
-
-  @staticmethod
-  def _GetAllChildrenRecursive(events, item):
-    events.append(item)
-    for child in item.children:
-      TimelineEvent._GetAllChildrenRecursive(events, child)
-
-  def GetAllChildrenRecursive(self, include_self=False):
-    events = []
-    TimelineEvent._GetAllChildrenRecursive(events, self)
-    if not include_self:
-      del events[0]
-    return events