Report memory retained by memory allocator internals.

webkit/glue/webkitplatformsupport_impl.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 "webkit/glue/webkitplatformsupport_impl.h"
 
 #if defined(OS_LINUX)
 #include <malloc.h>
 #endif
 
 #include <math.h>
 
 #include <vector>
 
+#include "base/allocator/allocator_extension.h"
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/stats_counters.h"
 #include "base/platform_file.h"
 #include "base/process_util.h"
 #include "base/rand_util.h"
@@ skipping 799 matching lines @@
   return base::SysInfo::DalvikHeapSizeMB() / 8;
 }
 #endif
 
 bool WebKitPlatformSupportImpl::processMemorySizesInBytes(
     size_t* private_bytes,
     size_t* shared_bytes) {
   return CurrentProcessMetrics()->GetMemoryBytes(private_bytes, shared_bytes);
 }
 
+bool WebKitPlatformSupportImpl::memoryAllocatorWasteInBytes(size_t* size) {
+  return base::allocator::GetAllocatorWasteSize(size);
+}
+
 void WebKitPlatformSupportImpl::SuspendSharedTimer() {
   ++shared_timer_suspended_;
 }
 
 void WebKitPlatformSupportImpl::ResumeSharedTimer() {
   // The shared timer may have fired or been adjusted while we were suspended.
   if (--shared_timer_suspended_ == 0 && !shared_timer_.IsRunning()) {
     setSharedTimerFireInterval(
         shared_timer_fire_time_ - monotonicallyIncreasingTime());
   }
@@ skipping 29 matching lines @@
 #endif
 
   if (device_source == WebKit::WebGestureEvent::Touchscreen)
     return TouchFlingGestureCurve::CreateForTouchScreen(velocity,
                                                         cumulative_scroll);
 
   return TouchFlingGestureCurve::CreateForTouchPad(velocity, cumulative_scroll);
 }
 
 }  // namespace webkit_glue