Allocator cleanup: allocator_extension call directly into tcmalloc

base/debug/profiler.cc

 // 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.
 
 #include "base/debug/profiler.h"
 
 #include <string>
 
 #include "base/debug/debugging_flags.h"
 #include "base/process/process_handle.h"
@@ skipping 38 matching lines @@
 }
 
 bool BeingProfiled() {
   return ProfilingIsEnabledForAllThreads();
 }
 
 void RestartProfilingAfterFork() {
   ProfilerRegisterThread();
 }
 
+bool IsProfilingSupported() {
+  return true;
+}
+
 #else
 
 void StartProfiling(const std::string& name) {
 }
 
 void StopProfiling() {
 }
 
 void FlushProfiling() {
 }
 
 bool BeingProfiled() {
   return false;
 }
 
 void RestartProfilingAfterFork() {
 }
 
+bool IsProfilingSupported() {
+  return false;
+}
+
 #endif
 
 #if !defined(OS_WIN)
 
 bool IsBinaryInstrumented() {
   return false;
 }
 
 ReturnAddressLocationResolver GetProfilerReturnAddrResolutionFunc() {
   return NULL;
@@ skipping 125 matching lines @@
 
 MoveDynamicSymbol GetProfilerMoveDynamicSymbolFunc() {
   return FindFunctionInImports<MoveDynamicSymbol>(
       "MoveDynamicSymbol");
 }
 
 #endif  // defined(OS_WIN)
 
 }  // namespace debug
 }  // namespace base