Index: content/browser/renderer_host/frame_memory_manager.cc |
diff --git a/content/browser/renderer_host/frame_memory_manager.cc b/content/browser/renderer_host/frame_memory_manager.cc |
deleted file mode 100644 |
index 708bddfa61b9cefd1a5a8d9c95a661717e4eea2d..0000000000000000000000000000000000000000 |
--- a/content/browser/renderer_host/frame_memory_manager.cc |
+++ /dev/null |
@@ -1,66 +0,0 @@ |
-// Copyright 2013 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. |
- |
-#include "content/browser/renderer_host/frame_memory_manager.h" |
- |
-#include "base/logging.h" |
-#include "base/memory/singleton.h" |
-#include "base/sys_info.h" |
- |
-namespace content { |
- |
-namespace { |
- |
-size_t MaxNumberOfSavedFrames() { |
- return std::min(5, 2 + (base::SysInfo::AmountOfPhysicalMemoryMB() / 256)); |
-} |
- |
-} // namespace |
- |
-FrameMemoryManager* FrameMemoryManager::GetInstance() { |
- return Singleton<FrameMemoryManager>::get(); |
-} |
- |
-void FrameMemoryManager::AddFrame(FrameContainer* frame, bool visible) { |
- RemoveFrame(frame); |
- if (visible) |
- visible_frames_.insert(frame); |
- else |
- hidden_frames_.push_front(frame); |
- CullHiddenFrames(); |
-} |
- |
-void FrameMemoryManager::RemoveFrame(FrameContainer* frame) { |
- visible_frames_.erase(frame); |
- hidden_frames_.remove(frame); |
-} |
- |
-void FrameMemoryManager::SetFrameVisibility(FrameContainer* frame, |
- bool visible) { |
- if (visible) { |
- hidden_frames_.remove(frame); |
- visible_frames_.insert(frame); |
- } else { |
- visible_frames_.erase(frame); |
- hidden_frames_.push_front(frame); |
- CullHiddenFrames(); |
- } |
-} |
- |
-FrameMemoryManager::FrameMemoryManager() {} |
- |
-FrameMemoryManager::~FrameMemoryManager() {} |
- |
-void FrameMemoryManager::CullHiddenFrames() { |
- while (!hidden_frames_.empty() && |
- hidden_frames_.size() + visible_frames_.size() > |
- MaxNumberOfSavedFrames()) { |
- size_t old_size = hidden_frames_.size(); |
- // Should remove self from list. |
- hidden_frames_.back()->ReleaseCurrentFrame(); |
- DCHECK_EQ(hidden_frames_.size() + 1, old_size); |
- } |
-} |
- |
-} // namespace content |