Allocator cleanup: remove CHROME_PROFILER_TIME and rotten tcmalloc deps

base/profiler/alternate_timer.h

 // Copyright (c) 2012 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.
 
 // This is a glue file, which allows third party code to call into our profiler
 // without having to include most any functions from base.
 
 #ifndef BASE_PROFILER_ALTERNATE_TIMER_H_
 #define BASE_PROFILER_ALTERNATE_TIMER_H_
 
 #include "base/base_export.h"
 
 namespace tracked_objects {
 
-enum TimeSourceType {
-  TIME_SOURCE_TYPE_WALL_TIME,
-  TIME_SOURCE_TYPE_TCMALLOC
-};
+enum TimeSourceType { TIME_SOURCE_TYPE_WALL_TIME };

[Nico, 2016/01/26 21:14:41]

Maybe add a TODO to remove this enum altogether

 
 // Provide type for an alternate timer function.
 typedef unsigned int NowFunction();
 
-// Environment variable name that is used to activate alternate timer profiling
-// (such as using TCMalloc allocations to provide a pseudo-timer) for tasks
-// instead of wall clock profiling.
-BASE_EXPORT extern const char kAlternateProfilerTime[];
-
 // Set an alternate timer function to replace the OS time function when
 // profiling.  Typically this is called by an allocator that is providing a
 // function that indicates how much memory has been allocated on any given
 // thread.
 BASE_EXPORT void SetAlternateTimeSource(NowFunction* now_function,
                                         TimeSourceType type);
 
 // Gets the pointer to a function that was set via SetAlternateTimeSource().
 // Returns NULL if no set was done prior to calling GetAlternateTimeSource.
 NowFunction* GetAlternateTimeSource();
 
 // Returns the type of the currently set time source.
 BASE_EXPORT TimeSourceType GetTimeSourceType();
 
 }  // namespace tracked_objects
 
 #endif  // BASE_PROFILER_ALTERNATE_TIMER_H_