profiler: cleanup unused alternate_timer code
crrev.com/1632253002 removed the only client of alternate_timer.h
This CL removes the unreachable paths in the profiler code which
were there just to support alternate_timer (concretelly TCMALLOC).
BUG=564618
Review URL: https://codereview.chromium.org/1640223002
Cr-Commit-Position: refs/heads/master@{#373286}
diff --git a/base/tracked_objects.h b/base/tracked_objects.h
index 1a00ec0..518805a 100644
--- a/base/tracked_objects.h
+++ b/base/tracked_objects.h
@@ -22,7 +22,6 @@
#include "base/location.h"
#include "base/macros.h"
#include "base/process/process_handle.h"
-#include "base/profiler/alternate_timer.h"
#include "base/profiler/tracked_time.h"
#include "base/synchronization/lock.h"
#include "base/threading/thread_checker.h"
@@ -537,12 +536,6 @@
// the code).
static TrackedTime Now();
- // Use the function |now| to provide current times, instead of calling the
- // TrackedTime::Now() function. Since this alternate function is being used,
- // the other time arguments (used for calculating queueing delay) will be
- // ignored.
- static void SetAlternateTimeSource(NowFunction* now);
-
// This function can be called at process termination to validate that thread
// cleanup routines have been called for at least some number of named
// threads.
@@ -559,8 +552,10 @@
FRIEND_TEST_ALL_PREFIXES(TrackedObjectsTest, MinimalStartupShutdown);
FRIEND_TEST_ALL_PREFIXES(TrackedObjectsTest, TinyStartupShutdown);
- typedef std::map<const BirthOnThread*, int> BirthCountMap;
+ // Type for an alternate timer function (testing only).
+ typedef unsigned int NowFunction();
+ typedef std::map<const BirthOnThread*, int> BirthCountMap;
typedef std::vector<std::pair<const Births*, DeathDataPhaseSnapshot>>
DeathsSnapshot;
@@ -635,11 +630,7 @@
// When non-null, this specifies an external function that supplies monotone
// increasing time functcion.
- static NowFunction* now_function_;
-
- // If true, now_function_ returns values that can be used to calculate queue
- // time.
- static bool now_function_is_time_;
+ static NowFunction* now_function_for_testing_;
// We use thread local store to identify which ThreadData to interact with.
static base::ThreadLocalStorage::StaticSlot tls_index_;
