Move base to DEPS

base/debug/task_annotator.cc

-// 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.
-
-#include "base/debug/task_annotator.h"
-
-#include "base/debug/alias.h"
-#include "base/pending_task.h"
-#include "base/trace_event/trace_event.h"
-#include "base/tracked_objects.h"
-
-namespace base {
-namespace debug {
-
-TaskAnnotator::TaskAnnotator() {
-}
-
-TaskAnnotator::~TaskAnnotator() {
-}
-
-void TaskAnnotator::DidQueueTask(const char* queue_function,
-                                 const PendingTask& pending_task) {
-  TRACE_EVENT_FLOW_BEGIN0(TRACE_DISABLED_BY_DEFAULT("toplevel.flow"),
-                          queue_function,
-                          TRACE_ID_MANGLE(GetTaskTraceID(pending_task)));
-}
-
-void TaskAnnotator::RunTask(const char* queue_function,
-                            const PendingTask& pending_task) {
-  tracked_objects::TaskStopwatch stopwatch;
-  stopwatch.Start();
-  tracked_objects::Duration queue_duration =
-      stopwatch.StartTime() - pending_task.EffectiveTimePosted();
-
-  TRACE_EVENT_FLOW_END1(TRACE_DISABLED_BY_DEFAULT("toplevel.flow"),
-                        queue_function,
-                        TRACE_ID_MANGLE(GetTaskTraceID(pending_task)),
-                        "queue_duration",
-                        queue_duration.InMilliseconds());
-
-  // Before running the task, store the program counter where it was posted
-  // and deliberately alias it to ensure it is on the stack if the task
-  // crashes. Be careful not to assume that the variable itself will have the
-  // expected value when displayed by the optimizer in an optimized build.
-  // Look at a memory dump of the stack.
-  const void* program_counter = pending_task.posted_from.program_counter();
-  debug::Alias(&program_counter);
-
-  pending_task.task.Run();
-
-  stopwatch.Stop();
-  tracked_objects::ThreadData::TallyRunOnNamedThreadIfTracking(
-      pending_task, stopwatch);
-}
-
-uint64 TaskAnnotator::GetTaskTraceID(const PendingTask& task) const {
-  return (static_cast<uint64>(task.sequence_num) << 32) |
-         ((static_cast<uint64>(reinterpret_cast<intptr_t>(this)) << 32) >> 32);
-}
-
-}  // namespace debug
-}  // namespace base