allocator: rename use_experimental_allocator_shim to use_allocator_shim

base/debug/thread_heap_usage_tracker.cc

 // Copyright 2016 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/thread_heap_usage_tracker.h"
 
 #include <stdint.h>
 #include <algorithm>
 #include <limits>
 #include <new>
@@ skipping 270 matching lines @@
   ThreadHeapUsage* usage = GetOrCreateThreadUsage();
   DCHECK_NE(nullptr, usage);
   return *usage;
 }
 
 void ThreadHeapUsageTracker::EnableHeapTracking() {
   EnsureTLSInitialized();
 
   CHECK_EQ(false, g_heap_tracking_enabled) << "No double-enabling.";
   g_heap_tracking_enabled = true;
-#if BUILDFLAG(USE_EXPERIMENTAL_ALLOCATOR_SHIM)
+#if BUILDFLAG(USE_ALLOCATOR_SHIM)
   base::allocator::InsertAllocatorDispatch(&allocator_dispatch);
 #else
   CHECK(false) << "Can't enable heap tracking without the shim.";
-#endif  // BUILDFLAG(USE_EXPERIMENTAL_ALLOCATOR_SHIM)
+#endif  // BUILDFLAG(USE_ALLOCATOR_SHIM)
 }
 
 bool ThreadHeapUsageTracker::IsHeapTrackingEnabled() {
   return g_heap_tracking_enabled;
 }
 
 void ThreadHeapUsageTracker::DisableHeapTrackingForTesting() {
-#if BUILDFLAG(USE_EXPERIMENTAL_ALLOCATOR_SHIM)
+#if BUILDFLAG(USE_ALLOCATOR_SHIM)
   base::allocator::RemoveAllocatorDispatchForTesting(&allocator_dispatch);
 #else
   CHECK(false) << "Can't disable heap tracking without the shim.";
-#endif  // BUILDFLAG(USE_EXPERIMENTAL_ALLOCATOR_SHIM)
+#endif  // BUILDFLAG(USE_ALLOCATOR_SHIM)
   DCHECK_EQ(true, g_heap_tracking_enabled) << "Heap tracking not enabled.";
   g_heap_tracking_enabled = false;
 }
 
 base::allocator::AllocatorDispatch*
 ThreadHeapUsageTracker::GetDispatchForTesting() {
   return &allocator_dispatch;
 }
 
 void ThreadHeapUsageTracker::EnsureTLSInitialized() {
@@ skipping 13 matching lines @@
       // RecordFree() above. The sentinel prevents RecordFree() from re-creating
       // another ThreadHeapUsage object.
       g_thread_allocator_usage.Set(kTeardownSentinel);
       delete static_cast<ThreadHeapUsage*>(thread_heap_usage);
     });
   }
 }
 
 }  // namespace debug
 }  // namespace base