Route calls to tcmalloc MallocExtension through allocator agnostic interface

chrome/renderer/chrome_render_process_observer.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 "chrome/renderer/chrome_render_process_observer.h"
 
+#include "base/allocator/allocator_extension.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/memory/weak_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/native_library.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
@@ skipping 11 matching lines @@
 #include "content/public/common/resource_dispatcher_delegate.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view_visitor.h"
 #include "content/public/renderer/render_view.h"
 #include "crypto/nss_util.h"
 #include "media/base/media_switches.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_module.h"
 #include "third_party/sqlite/sqlite3.h"
 #include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h"
-#include "third_party/tcmalloc/chromium/src/gperftools/malloc_extension.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCache.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCrossOriginPreflightResultCache.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFontCache.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebRuntimeFeatures.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 #include "v8/include/v8.h"
 
 #if defined(OS_WIN)
@@ skipping 273 matching lines @@
   // Clear the Cross-Origin Preflight cache.
   WebCrossOriginPreflightResultCache::clear();
 
   // Release all freeable memory from the SQLite process-global page cache (a
   // low-level object which backs the Connection-specific page caches).
   while (sqlite3_release_memory(std::numeric_limits<int>::max()) > 0) {
   }
 
   v8::V8::LowMemoryNotification();
 
-#if !defined(OS_MACOSX) && defined(USE_TCMALLOC)
-  // Tell tcmalloc to release any free pages it's still holding.
-  MallocExtension::instance()->ReleaseFreeMemory();
-#endif
+  // Tell our allocator to release any free pages it's still holding.
+  base::allocator::ReleaseFreeMemory();
 
   if (client_)
     client_->OnPurgeMemory();
 }
 
 void ChromeRenderProcessObserver::ExecutePendingClearCache() {
   if (clear_cache_pending_) {
     clear_cache_pending_ = false;
     WebCache::clear();
   }
 }
 
 const RendererContentSettingRules*
 ChromeRenderProcessObserver::content_setting_rules() const {
   return &content_setting_rules_;
 }