Revert 108752 - Support tracking of IPC messages as tasks in profiler

base/profiler/scoped_profile.h

-// Copyright (c) 2011 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_PROFILER_SCOPED_PROFILE_H_
-#define BASE_PROFILER_SCOPED_PROFILE_H_
-
-//------------------------------------------------------------------------------
-// ScopedProfile provides basic helper functions for profiling a short
-// region of code within a scope.  It is separate from the related ThreadData
-// class so that it can be included without much other cruft, and provide the
-// macros listed below.
-
-#include "base/base_export.h"
-#include "base/location.h"
-#include "base/profiler/tracked_time.h"
-
-#define TRACK_RUN_IN_THIS_SCOPED_REGION_FOR_OFFICIAL_BUILDS(variable_name) \
-    ::tracked_objects::ScopedProfile variable_name(FROM_HERE)
-
-#define TRACK_RUN_IN_IPC_HANDLER(dispatch_function_name) \
-    ::tracked_objects::ScopedProfile some_tracking_variable_name(  \
-        FROM_HERE_WITH_EXPLICIT_FUNCTION(#dispatch_function_name))
-
-
-namespace tracked_objects {
-class Births;
-
-class BASE_EXPORT ScopedProfile {
- public:
-  explicit ScopedProfile(const Location& location);
-  ~ScopedProfile();
-
-  // Stop tracing prior to the end destruction of the instance.
-  void StopClockAndTally();
-
- private:
-  Births* birth_;  // Place in code where tracking started.
-  const TrackedTime start_of_run_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedProfile);
-};
-
-}  // namespace tracked_objects
-
-#endif   // BASE_PROFILER_SCOPED_PROFILE_H_