| // Copyright 2014 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/child/web_discardable_memory_impl.h" |
| |
| #include <utility> |
| |
| #include "base/memory/discardable_memory.h" |
| #include "base/memory/discardable_memory_allocator.h" |
| #include "content/child/web_process_memory_dump_impl.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| |
| namespace content { |
| |
| WebDiscardableMemoryImpl::~WebDiscardableMemoryImpl() {} |
| |
| // static |
| scoped_ptr<WebDiscardableMemoryImpl> |
| WebDiscardableMemoryImpl::CreateLockedMemory(size_t size) { |
| return make_scoped_ptr(new WebDiscardableMemoryImpl( |
| base::DiscardableMemoryAllocator::GetInstance() |
| ->AllocateLockedDiscardableMemory(size))); |
| } |
| |
| bool WebDiscardableMemoryImpl::lock() { |
| return discardable_->Lock(); |
| } |
| |
| void WebDiscardableMemoryImpl::unlock() { |
| discardable_->Unlock(); |
| } |
| |
| void* WebDiscardableMemoryImpl::data() { |
| return discardable_->data(); |
| } |
| |
| blink::WebMemoryAllocatorDump* |
| WebDiscardableMemoryImpl::createMemoryAllocatorDump( |
| const blink::WebString& name, |
| blink::WebProcessMemoryDump* wpmd) const { |
| return static_cast<content::WebProcessMemoryDumpImpl*>(wpmd) |
| ->CreateDiscardableMemoryAllocatorDump(name.utf8(), discardable_.get()); |
| } |
| |
| WebDiscardableMemoryImpl::WebDiscardableMemoryImpl( |
| scoped_ptr<base::DiscardableMemory> memory) |
| : discardable_(std::move(memory)) {} |
| |
| } // namespace content |