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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef COMPONENTS_MEMORY_COORDINATOR_BROWSER_MEMORY_COORDINATOR_H_ |
| 6 #define COMPONENTS_MEMORY_COORDINATOR_BROWSER_MEMORY_COORDINATOR_H_ |
| 7 |
| 8 #include "components/memory_coordinator/public/interfaces/memory_coordinator.moj
om.h" |
| 9 #include "mojo/public/cpp/bindings/binding.h" |
| 10 |
| 11 namespace memory_coordinator { |
| 12 |
| 13 class MemoryCoordinatorHandleImpl; |
| 14 |
| 15 // MemoryCoordinator is responsible for the whole memory management accross the |
| 16 // browser and child proceeses. It will dispatch memory events to its clients |
| 17 // and child processes based on its best knowledge of the memory usage. |
| 18 class MemoryCoordinator { |
| 19 public: |
| 20 MemoryCoordinator(); |
| 21 ~MemoryCoordinator(); |
| 22 |
| 23 void CreateHandle(int render_process_id, |
| 24 mojom::MemoryCoordinatorHandleRequest request); |
| 25 |
| 26 // Returns number of children. Only used for testing. |
| 27 size_t NumChildrenForTesting(); |
| 28 |
| 29 private: |
| 30 void OnConnectionError(int render_process_id); |
| 31 |
| 32 // Mappings of RenderProcessHost::GetID() -> MemoryCoordinatorHandleImpl. |
| 33 // A mapping is added when a renderer connects to MemoryCoordinator and |
| 34 // removed automatically when a underlying binding is disconnected. |
| 35 std::map<int, std::unique_ptr<MemoryCoordinatorHandleImpl>> children_; |
| 36 |
| 37 DISALLOW_COPY_AND_ASSIGN(MemoryCoordinator); |
| 38 }; |
| 39 |
| 40 } // memory_coordinator |
| 41 |
| 42 #endif // COMPONENTS_MEMORY_COORDINATOR_BROWSER_MEMORY_COORDINATOR_H_ |
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