Index: content/browser/memory/memory_pressure_controller_impl.h |
diff --git a/content/browser/memory/memory_pressure_controller_impl.h b/content/browser/memory/memory_pressure_controller_impl.h |
deleted file mode 100644 |
index 95d58d250d69e72c8211c7ca1de97268e0a08e4a..0000000000000000000000000000000000000000 |
--- a/content/browser/memory/memory_pressure_controller_impl.h |
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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 CONTENT_BROWSER_MEMORY_MEMORY_PRESSURE_CONTROLLER_IMPL_H_ |
-#define CONTENT_BROWSER_MEMORY_MEMORY_PRESSURE_CONTROLLER_IMPL_H_ |
- |
-#include <map> |
- |
-#include "base/callback.h" |
-#include "base/macros.h" |
-#include "base/memory/memory_pressure_listener.h" |
-#include "base/memory/singleton.h" |
-#include "content/common/content_export.h" |
- |
-namespace content { |
- |
-class BrowserChildProcessHost; |
-class MemoryMessageFilter; |
-class RenderProcessHost; |
- |
-// Controller for memory pressure IPC messages. Each child process owns and |
-// registers a MemoryMessageFilter, which can be used to both suppress and |
-// simulate memory pressure messages across processes. This controller |
-// coordinates suppressing and simulation of messages, as well as allows for |
-// messages to be forwarded to individual processes. This allows the browser |
-// process to control what memory pressure messages are seen in child processes. |
-// For more details see content/browser/memory/memory_message_filter.h and |
-// content/child/memory/child_memory_message_filter.h. |
-class CONTENT_EXPORT MemoryPressureControllerImpl { |
- public: |
- // This method can be called from any thread. |
- static MemoryPressureControllerImpl* GetInstance(); |
- |
- // These methods must be called on the IO thread. |
- void OnMemoryMessageFilterAdded(MemoryMessageFilter* filter); |
- void OnMemoryMessageFilterRemoved(MemoryMessageFilter* filter); |
- |
- // These methods can be called from any thread. |
- |
- // Suppresses all memory pressure messages from passing through all attached |
- // MemoryMessageFilters. Any messages sent through a "suppressed" filter will |
- // be ignored on the receiving end. |
- void SetPressureNotificationsSuppressedInAllProcesses(bool suppressed); |
- |
- // Simulates memory pressure in all processes by invoking |
- // SimulatePressureNotification on all attached MemoryMessageFilters. These |
- // messages will be received even if suppression is enabled. |
- void SimulatePressureNotificationInAllProcesses( |
- base::MemoryPressureListener::MemoryPressureLevel level); |
- |
- // Sends a memory pressure notification to the specified browser child process |
- // via its attached MemoryMessageFilter. |
- void SendPressureNotification( |
- const BrowserChildProcessHost* child_process_host, |
- base::MemoryPressureListener::MemoryPressureLevel level); |
- |
- // Sends a memory pressure notification to the specified renderer process via |
- // its attached MemoryMessageFilter. |
- void SendPressureNotification( |
- const RenderProcessHost* render_process_host, |
- base::MemoryPressureListener::MemoryPressureLevel level); |
- |
- protected: |
- virtual ~MemoryPressureControllerImpl(); |
- |
- private: |
- friend struct base::DefaultSingletonTraits<MemoryPressureControllerImpl>; |
- |
- MemoryPressureControllerImpl(); |
- |
- // Implementation of the various SendPressureNotification methods. |
- void SendPressureNotificationImpl( |
- const void* child_process_host, |
- base::MemoryPressureListener::MemoryPressureLevel level); |
- |
- // Map from untyped process host pointers to the associated memory message |
- // filters in the browser process. Always accessed on the IO thread. |
- typedef std::map<const void*, scoped_refptr<MemoryMessageFilter>> |
- MemoryMessageFilterMap; |
- MemoryMessageFilterMap memory_message_filters_; |
- |
- DISALLOW_COPY_AND_ASSIGN(MemoryPressureControllerImpl); |
-}; |
- |
-} // namespace content |
- |
-#endif // CONTENT_BROWSER_MEMORY_MEMORY_PRESSURE_CONTROLLER_IMPL_H_ |