WIP: Prototype OOP V8 PAC.

content/browser/process_resource_impl.cc

+// Copyright 2015 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/process_resource_impl.h"
+
+#include "base/bind.h"
+#include "content/public/browser/browser_thread.h"
+
+namespace content {
+
+ProcessResourceImpl::ProcessResourceImpl(ProcessResourceServicePtr service)
+    : service_(service.Pass()),
+      update_in_progress_(false) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+}
+
+ProcessResourceImpl::~ProcessResourceImpl() {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+}
+
+void ProcessResourceImpl::Refresh() {
+  BrowserThread::PostTask(BrowserThread::IO,
+                          FROM_HERE,
+                          base::Bind(&ProcessResourceImpl::RefreshOnIOThread,
+                                     this));
+}
+
+void ProcessResourceImpl::RefreshOnIOThread() {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  if (!update_in_progress_ && service_) {
+    update_in_progress_ = true;
+    service_->GetResourceData(
+        base::Bind(&ProcessResourceImpl::OnGetResourceDataDone, this));
+  }
+}
+
+void ProcessResourceImpl::OnGetResourceDataDone(ResourceDataPtr data) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  update_in_progress_ = false;
+  base::AutoLock l(lock_);
+  stats_ = data.Pass();
+}
+
+bool ProcessResourceImpl::ReportsV8MemoryStats() const {
+  base::AutoLock l(lock_);
+  if (stats_)
+    return stats_->reports_v8_stats;
+  return false;
+}
+
+size_t ProcessResourceImpl::GetV8MemoryAllocated() const {
+  base::AutoLock l(lock_);
+  if (stats_ && stats_->reports_v8_stats)
+    return stats_->v8_memory_allocated;
+
+  return 0;
+}
+
+size_t ProcessResourceImpl::GetV8MemoryUsed() const {
+  base::AutoLock l(lock_);
+  if (stats_ && stats_->reports_v8_stats)
+    return stats_->v8_memory_used;
+
+  return 0;
+}
+
+
+}  // namespace content