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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/controller/private_memory_footprint_provider.h"
#include "base/task/task_runner.h"
#include "base/time/default_tick_clock.h"
#include "third_party/blink/public/platform/platform.h"
namespace blink {
void PrivateMemoryFootprintProvider::Initialize(
scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
DEFINE_STATIC_LOCAL(PrivateMemoryFootprintProvider, provider,
(std::move(task_runner)));
(void)provider;
}
PrivateMemoryFootprintProvider::PrivateMemoryFootprintProvider(
scoped_refptr<base::SingleThreadTaskRunner> task_runner)
: PrivateMemoryFootprintProvider(std::move(task_runner),
base::DefaultTickClock::GetInstance()) {}
PrivateMemoryFootprintProvider::PrivateMemoryFootprintProvider(
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
const base::TickClock* clock)
: task_runner_(std::move(task_runner)), clock_(clock) {
auto& monitor = MemoryUsageMonitor::Instance();
monitor.AddObserver(this);
OnMemoryPing(monitor.GetCurrentMemoryUsage());
}
void PrivateMemoryFootprintProvider::OnMemoryPing(MemoryUsage usage) {
DCHECK(IsMainThread());
SetPrivateMemoryFootprint(
static_cast<uint64_t>(usage.private_footprint_bytes));
}
void PrivateMemoryFootprintProvider::SetPrivateMemoryFootprint(
uint64_t private_memory_footprint_bytes) {
Platform::Current()->SetPrivateMemoryFootprint(
private_memory_footprint_bytes);
}
} // namespace blink
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