Move base to DEPS

base/debug/task_annotator.h

-// 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.
-
-#ifndef BASE_DEBUG_TASK_ANNOTATOR_H_
-#define BASE_DEBUG_TASK_ANNOTATOR_H_
-
-#include "base/base_export.h"
-#include "base/basictypes.h"
-
-namespace base {
-struct PendingTask;
-namespace debug {
-
-// Implements common debug annotations for posted tasks. This includes data
-// such as task origins, queueing durations and memory usage.
-class BASE_EXPORT TaskAnnotator {
- public:
-  TaskAnnotator();
-  ~TaskAnnotator();
-
-  // Called to indicate that a task has been queued to run in the future.
-  // |queue_function| is used as the trace flow event name.
-  void DidQueueTask(const char* queue_function,
-                    const PendingTask& pending_task);
-
-  // Run a previously queued task. |queue_function| should match what was
-  // passed into |DidQueueTask| for this task.
-  void RunTask(const char* queue_function, const PendingTask& pending_task);
-
- private:
-  // Creates a process-wide unique ID to represent this task in trace events.
-  // This will be mangled with a Process ID hash to reduce the likelyhood of
-  // colliding with TaskAnnotator pointers on other processes.
-  uint64 GetTaskTraceID(const PendingTask& task) const;
-
-  DISALLOW_COPY_AND_ASSIGN(TaskAnnotator);
-};
-
-#define TRACE_TASK_EXECUTION(run_function, task)                          \
-  TRACE_EVENT_WITH_MEMORY_TAG2(                                           \
-      "toplevel", (run_function),                                         \
-      (task).posted_from.function_name(), /* Name for memory tracking. */ \
-      "src_file", (task).posted_from.file_name(), "src_func",             \
-      (task).posted_from.function_name());
-
-}  // namespace debug
-}  // namespace base
-
-#endif  // BASE_DEBUG_TASK_ANNOTATOR_H_