Add heap allocator usage to task profiler.

base/threading/worker_pool_posix.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 "base/threading/worker_pool_posix.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/callback.h"
+#include "base/debug/scoped_thread_heap_usage.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread_local.h"
 #include "base/threading/worker_pool.h"
 #include "base/trace_event/trace_event.h"
 #include "base/tracked_objects.h"
@@ skipping 61 matching lines @@
   // Note |name.c_str()| must remain valid for for the whole life of the thread.
   PlatformThread::SetName(name);
 
   for (;;) {
     PendingTask pending_task = pool_->WaitForTask();
     if (pending_task.task.is_null())
       break;
     TRACE_TASK_EXECUTION("WorkerThread::ThreadMain::Run", pending_task);
 
     tracked_objects::TaskStopwatch stopwatch;
+    base::debug::ScopedThreadHeapUsage heap_usage;
+    heap_usage.Start();
     stopwatch.Start();
     pending_task.task.Run();
     stopwatch.Stop();
+    heap_usage.Stop();
 
     tracked_objects::ThreadData::TallyRunOnWorkerThreadIfTracking(
-        pending_task.birth_tally, pending_task.time_posted, stopwatch);
+        pending_task.birth_tally, pending_task.time_posted, stopwatch,
+        heap_usage.usage());
   }
 
   // The WorkerThread is non-joinable, so it deletes itself.
   delete this;
 }
 
 }  // namespace
 
 // static
 bool WorkerPool::PostTask(const tracked_objects::Location& from_here,
@@ skipping 76 matching lines @@
       return PendingTask(FROM_HERE, base::Closure());
     }
   }
 
   PendingTask pending_task = std::move(pending_tasks_.front());
   pending_tasks_.pop();
   return pending_task;
 }
 
 }  // namespace base