1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_CONTROLLER_PRIVATE_MEMORY_FOOTPRINT_PROVIDER_H_
#define THIRD_PARTY_BLINK_RENDERER_CONTROLLER_PRIVATE_MEMORY_FOOTPRINT_PROVIDER_H_
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "third_party/blink/renderer/controller/controller_export.h"
#include "third_party/blink/renderer/controller/memory_usage_monitor.h"
#include "third_party/blink/renderer/platform/timer.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
namespace base {
class SingleThreadTaskRunner;
class TickClock;
} // namespace base
namespace blink {
// Provides this renderer process' private memory footprint for browser process.
class CONTROLLER_EXPORT PrivateMemoryFootprintProvider
: public MemoryUsageMonitor::Observer {
USING_FAST_MALLOC(PrivateMemoryFootprintProvider);
public:
// Initializes the shared instance. Has no effect if called more than once.
static void Initialize(
scoped_refptr<base::SingleThreadTaskRunner> task_runner);
private:
explicit PrivateMemoryFootprintProvider(
scoped_refptr<base::SingleThreadTaskRunner> task_runner);
PrivateMemoryFootprintProvider(
scoped_refptr<base::SingleThreadTaskRunner> task_runner_for_testing,
const base::TickClock* clock);
// MemoryUsageMonitor::Observer:
void OnMemoryPing(MemoryUsage) override;
// Use mojom to provide private memory footprint for this RendererHost in
// the browser process.
void SetPrivateMemoryFootprint(uint64_t private_memory_footprint_bytes);
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
raw_ptr<const base::TickClock> clock_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CONTROLLER_PRIVATE_MEMORY_FOOTPRINT_PROVIDER_H_
|
