allocator: rename use_experimental_allocator_shim to use_allocator_shim

base/process/memory_linux.cc

 // Copyright (c) 2013 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/process/memory.h"
 
 #include <stddef.h>
 
 #include <new>
 
@@ skipping 28 matching lines @@
   OnNoMemorySize(0);
 }
 
 }  // namespace
 
 // TODO(primiano): Once the unified shim is on by default (crbug.com/550886)
 // get rid of the code in this entire #if section. The whole termination-on-OOM
 // logic is implemented in the shim.
 #if !defined(ADDRESS_SANITIZER) && !defined(MEMORY_SANITIZER) && \
     !defined(THREAD_SANITIZER) && !defined(LEAK_SANITIZER) &&    \
-    !BUILDFLAG(USE_EXPERIMENTAL_ALLOCATOR_SHIM)
+    !BUILDFLAG(USE_ALLOCATOR_SHIM)
 
 #if defined(LIBC_GLIBC) && !defined(USE_TCMALLOC)
 
 extern "C" {
 void* __libc_malloc(size_t size);
 void* __libc_realloc(void* ptr, size_t size);
 void* __libc_calloc(size_t nmemb, size_t size);
 void* __libc_valloc(size_t size);
 #if PVALLOC_AVAILABLE == 1
 void* __libc_pvalloc(size_t size);
@@ skipping 83 matching lines @@
 void EnableTerminationOnHeapCorruption() {
   // On Linux, there nothing to do AFAIK.
 }
 
 void EnableTerminationOnOutOfMemory() {
   // Set the new-out of memory handler.
   std::set_new_handler(&OnNoMemory);
   // If we're using glibc's allocator, the above functions will override
   // malloc and friends and make them die on out of memory.
 
-#if BUILDFLAG(USE_EXPERIMENTAL_ALLOCATOR_SHIM)
+#if BUILDFLAG(USE_ALLOCATOR_SHIM)
   allocator::SetCallNewHandlerOnMallocFailure(true);
 #elif defined(USE_TCMALLOC)
   // For tcmalloc, we need to tell it to behave like new.
   tc_set_new_mode(1);
 #endif
 }
 
 // NOTE: This is not the only version of this function in the source:
 // the setuid sandbox (in process_util_linux.c, in the sandbox source)
 // also has its own C version.
@@ skipping 25 matching lines @@
     std::string score_str = IntToString(converted_score);
     DVLOG(1) << "Adjusting oom_adj of " << process << " to " << score_str;
     int score_len = static_cast<int>(score_str.length());
     return (score_len == WriteFile(oom_file, score_str.c_str(), score_len));
   }
 
   return false;
 }
 
 bool UncheckedMalloc(size_t size, void** result) {
-#if BUILDFLAG(USE_EXPERIMENTAL_ALLOCATOR_SHIM)
+#if BUILDFLAG(USE_ALLOCATOR_SHIM)
   *result = allocator::UncheckedAlloc(size);
 #elif defined(MEMORY_TOOL_REPLACES_ALLOCATOR) || \
     (!defined(LIBC_GLIBC) && !defined(USE_TCMALLOC))
   *result = malloc(size);
 #elif defined(LIBC_GLIBC) && !defined(USE_TCMALLOC)
   *result = __libc_malloc(size);
 #elif defined(USE_TCMALLOC)
   *result = tc_malloc_skip_new_handler(size);
 #endif
   return *result != NULL;
 }
 
 }  // namespace base