Add ProcessMetrics::CreateCurrentProcessMetrics() method.

content/browser/browser_main_loop.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 "content/browser/browser_main_loop.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/location.h"
@@ skipping 356 matching lines @@
 class BrowserMainLoop::MemoryObserver : public base::MessageLoop::TaskObserver {
  public:
   MemoryObserver() {}
   ~MemoryObserver() override {}
 
   void WillProcessTask(const base::PendingTask& pending_task) override {}
 
   void DidProcessTask(const base::PendingTask& pending_task) override {
 #if !defined(OS_IOS)  // No ProcessMetrics on IOS.
     scoped_ptr<base::ProcessMetrics> process_metrics(
-        base::ProcessMetrics::CreateProcessMetrics(
-#if defined(OS_MACOSX)
-            base::GetCurrentProcessHandle(), NULL));
-#else
-            base::GetCurrentProcessHandle()));
-#endif
+        base::ProcessMetrics::CreateCurrentProcessMetrics());
     size_t private_bytes;
     process_metrics->GetMemoryBytes(&private_bytes, NULL);
     LOCAL_HISTOGRAM_MEMORY_KB("Memory.BrowserUsed", private_bytes >> 10);
 #endif
   }
  private:
   DISALLOW_COPY_AND_ASSIGN(MemoryObserver);
 };
 
 
@@ skipping 1038 matching lines @@
   DCHECK(is_tracing_startup_for_duration_);
 
   is_tracing_startup_for_duration_ = false;
   TracingController::GetInstance()->DisableRecording(
       TracingController::CreateFileSink(
           startup_trace_file_,
           base::Bind(OnStoppedStartupTracing, startup_trace_file_)));
 }
 
 }  // namespace content