| // 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_MANAGER_PROVIDERS_CHILD_PROCESS_TASK_H_ |
| #define CHROME_BROWSER_TASK_MANAGER_PROVIDERS_CHILD_PROCESS_TASK_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "chrome/browser/task_manager/providers/task.h" |
| |
| class ProcessResourceUsage; |
| |
| namespace content { |
| struct ChildProcessData; |
| } // namespace content |
| |
| namespace task_manager { |
| |
| // 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_manager::Task: |
| void Refresh(const base::TimeDelta& update_interval, |
| int64_t refresh_flags) override; |
| Type GetType() const override; |
| int GetChildProcessUniqueID() const override; |
| bool ReportsV8Memory() const; |
| int64_t GetV8MemoryAllocated() const override; |
| int64_t GetV8MemoryUsed() const override; |
| |
| private: |
| static gfx::ImageSkia* s_icon_; |
| |
| // The Mojo service wrapper that will provide us with the V8 memory usage of |
| // the browser child process represented by this object. |
| std::unique_ptr<ProcessResourceUsage> process_resources_sampler_; |
| |
| // The allocated and used V8 memory (in bytes). |
| int64_t v8_memory_allocated_; |
| int64_t 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_manager |
| |
| #endif // CHROME_BROWSER_TASK_MANAGER_PROVIDERS_CHILD_PROCESS_TASK_H_ |