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// 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.
#ifndef CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_CHILD_PROCESS_TASK_H_
#define CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_CHILD_PROCESS_TASK_H_
#include "chrome/browser/task_management/providers/task.h"
class ProcessResourceUsage;
namespace content {
struct ChildProcessData;
} // namespace content
namespace task_management {
// Represents several types of the browser's child processes such as
// a plugin or a GPU process, ... etc.
class ChildProcessTask : public Task {
public:
// Creates a child process task given its |data| which is
// received from observing |content::BrowserChildProcessObserver|.
explicit ChildProcessTask(const content::ChildProcessData& data);
~ChildProcessTask() override;
// task_management::Task:
void Refresh(const base::TimeDelta& update_interval,
int64 refresh_flags) override;
Type GetType() const override;
int GetChildProcessUniqueID() const override;
bool ReportsV8Memory() const;
int64 GetV8MemoryAllocated() const override;
int64 GetV8MemoryUsed() const override;
private:
// The Mojo service wrapper that will provide us with the V8 memory usage of
// the browser child process represented by this object.
scoped_ptr<ProcessResourceUsage> process_resources_sampler_;
// The allocated and used V8 memory (in bytes).
int64 v8_memory_allocated_;
int64 v8_memory_used_;
// The unique ID of the child process. It is not the PID of the process.
// See |content::ChildProcessData::id|.
const int unique_child_process_id_;
// The type of the child process. See |content::ProcessType| and
// |NaClTrustedProcessType|.
const int process_type_;
// Depending on the |process_type_|, determines whether this task uses V8
// memory or not.
const bool uses_v8_memory_;
DISALLOW_COPY_AND_ASSIGN(ChildProcessTask);
};
} // namespace task_management
#endif // CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_CHILD_PROCESS_TASK_H_
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