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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CONTENT_BROWSER_MEMORY_MEMORY_COORDINATOR_H_ | 5 #ifndef CONTENT_BROWSER_MEMORY_MEMORY_COORDINATOR_H_ |
| 6 #define CONTENT_BROWSER_MEMORY_MEMORY_COORDINATOR_H_ | 6 #define CONTENT_BROWSER_MEMORY_MEMORY_COORDINATOR_H_ |
| 7 | 7 |
| 8 #include "base/memory/memory_coordinator_client_registry.h" | 8 #include "base/memory/memory_coordinator_client_registry.h" |
| 9 #include "base/process/process_handle.h" | 9 #include "base/process/process_handle.h" |
| 10 #include "content/common/content_export.h" | 10 #include "content/common/content_export.h" |
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| 22 // MemoryCoordinator is responsible for the whole memory management accross the | 22 // MemoryCoordinator is responsible for the whole memory management accross the |
| 23 // browser and child proceeses. It dispatches memory events to its clients and | 23 // browser and child proceeses. It dispatches memory events to its clients and |
| 24 // child processes based on its best knowledge of the memory usage. | 24 // child processes based on its best knowledge of the memory usage. |
| 25 class CONTENT_EXPORT MemoryCoordinator { | 25 class CONTENT_EXPORT MemoryCoordinator { |
| 26 public: | 26 public: |
| 27 virtual ~MemoryCoordinator(); | 27 virtual ~MemoryCoordinator(); |
| 28 | 28 |
| 29 // Singleton factory/accessor. | 29 // Singleton factory/accessor. |
| 30 static MemoryCoordinator* GetInstance(); | 30 static MemoryCoordinator* GetInstance(); |
| 31 | 31 |
| 32 static void EnableFeaturesForTesting(); | |
| 33 | |
| 34 // Starts monitoring memory usage. After calling this method, memory | 32 // Starts monitoring memory usage. After calling this method, memory |
| 35 // coordinator will start dispatching state changes. | 33 // coordinator will start dispatching state changes. |
| 36 virtual void Start() {} | 34 virtual void Start() {} |
| 37 | 35 |
| 38 // Creates a handle to the provided child process. | 36 // Creates a handle to the provided child process. |
| 39 void CreateHandle(int render_process_id, | 37 void CreateHandle(int render_process_id, |
| 40 mojom::MemoryCoordinatorHandleRequest request); | 38 mojom::MemoryCoordinatorHandleRequest request); |
| 41 | 39 |
| 42 // Returns number of children. Only used for testing. | 40 // Returns number of children. Only used for testing. |
| 43 size_t NumChildrenForTesting(); | 41 size_t NumChildrenForTesting(); |
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| 105 ChildInfoMap children_; | 103 ChildInfoMap children_; |
| 106 | 104 |
| 107 std::unique_ptr<MemoryCoordinatorDelegate> delegate_; | 105 std::unique_ptr<MemoryCoordinatorDelegate> delegate_; |
| 108 | 106 |
| 109 DISALLOW_COPY_AND_ASSIGN(MemoryCoordinator); | 107 DISALLOW_COPY_AND_ASSIGN(MemoryCoordinator); |
| 110 }; | 108 }; |
| 111 | 109 |
| 112 } // namespace content | 110 } // namespace content |
| 113 | 111 |
| 114 #endif // CONTENT_BROWSER_MEMORY_MEMORY_COORDINATOR_H_ | 112 #endif // CONTENT_BROWSER_MEMORY_MEMORY_COORDINATOR_H_ |
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