base: Add support for malloc zones to the allocator shim

base/allocator/allocator_shim_default_dispatch_to_tcmalloc.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/allocator/allocator_shim.h"
 #include "base/allocator/allocator_shim_internals.h"
 #include "third_party/tcmalloc/chromium/src/config.h"
 #include "third_party/tcmalloc/chromium/src/gperftools/tcmalloc.h"
 
 namespace {
 
 using base::allocator::AllocatorDispatch;
 
-void* TCMalloc(const AllocatorDispatch*, size_t size) {
+void* TCMalloc(const AllocatorDispatch*, size_t size, void* context) {
   return tc_malloc(size);
 }
 
-void* TCCalloc(const AllocatorDispatch*, size_t n, size_t size) {
+void* TCCalloc(const AllocatorDispatch*, size_t n, size_t size, void* context) {
   return tc_calloc(n, size);
 }
 
-void* TCMemalign(const AllocatorDispatch*, size_t alignment, size_t size) {
+void* TCMemalign(const AllocatorDispatch*,
+                 size_t alignment,
+                 size_t size,
+                 void* context) {
   return tc_memalign(alignment, size);
 }
 
-void* TCRealloc(const AllocatorDispatch*, void* address, size_t size) {
+void* TCRealloc(const AllocatorDispatch*,
+                void* address,
+                size_t size,
+                void* context) {
   return tc_realloc(address, size);
 }
 
-void TCFree(const AllocatorDispatch*, void* address) {
+void TCFree(const AllocatorDispatch*, void* address, void* context) {
   tc_free(address);
 }
 
-size_t TCGetSizeEstimate(const AllocatorDispatch*, void* address) {
+size_t TCGetSizeEstimate(const AllocatorDispatch*,
+                         void* address,
+                         void* context) {
   return tc_malloc_size(address);
 }
 
 }  // namespace
 
 const AllocatorDispatch AllocatorDispatch::default_dispatch = {
     &TCMalloc,          /* alloc_function */
     &TCCalloc,          /* alloc_zero_initialized_function */
     &TCMemalign,        /* alloc_aligned_function */
     &TCRealloc,         /* realloc_function */
@@ skipping 30 matching lines @@
 
 #if defined(__ANDROID__)
 SHIM_ALWAYS_EXPORT size_t malloc_usable_size(const void* address) __THROW {
 #else
 SHIM_ALWAYS_EXPORT size_t malloc_usable_size(void* address) __THROW {
 #endif
   return tc_malloc_size(address);
 }
 
 }  // extern "C"