Move discardable memory to //components from //content

content/child/child_thread_impl.cc

 // Copyright (c) 2012 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/child_thread_impl.h"
 
 #include <signal.h>
 #include <string>
 #include <utility>
 
@@ skipping 14 matching lines @@
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/synchronization/condition_variable.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread_local.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/timer/elapsed_timer.h"
 #include "base/tracked_objects.h"
 #include "build/build_config.h"
+#include "components/discardable_memory/client/client_discardable_shared_memory_manager.h"
 #include "components/tracing/child/child_trace_message_filter.h"
-#include "content/child/child_discardable_shared_memory_manager.h"
 #include "content/child/child_histogram_message_filter.h"
 #include "content/child/child_process.h"
 #include "content/child/child_resource_message_filter.h"
 #include "content/child/child_shared_bitmap_manager.h"
 #include "content/child/fileapi/file_system_dispatcher.h"
 #include "content/child/fileapi/webfilesystem_impl.h"
 #include "content/child/memory/child_memory_message_filter.h"
 #include "content/child/notifications/notification_dispatcher.h"
 #include "content/child/power_monitor_broadcast_source.h"
 #include "content/child/push_messaging/push_dispatcher.h"
@@ skipping 300 matching lines @@
 #if defined(OS_ANDROID)
   if (!handled && msg.is_sync()) {
     IPC::Message* reply = IPC::SyncMessage::GenerateReply(&msg);
     reply->set_reply_error();
     Send(reply);
   }
 #endif
   return handled;
 }
 
+class ChildThreadImpl::ClientDiscardableSharedMemoryManagerDelegate
+    : public discardable_memory::ClientDiscardableSharedMemoryManager::
+          Delegate {
+ public:
+  explicit ClientDiscardableSharedMemoryManagerDelegate(
+      scoped_refptr<ThreadSafeSender> sender)
+      : sender_(sender) {}
+  ~ClientDiscardableSharedMemoryManagerDelegate() override {}
+
+  void AllocateLockedDiscardableSharedMemory(
+      size_t size,
+      discardable_memory::DiscardableSharedMemoryId id,
+      base::SharedMemoryHandle* handle) override {
+    sender_->Send(
+        new ChildProcessHostMsg_SyncAllocateLockedDiscardableSharedMemory(
+            size, id, handle));
+  }
+
+  void DeletedDiscardableSharedMemory(
+      discardable_memory::DiscardableSharedMemoryId id) override {
+    sender_->Send(new ChildProcessHostMsg_DeletedDiscardableSharedMemory(id));
+  }
+
+ private:
+  scoped_refptr<ThreadSafeSender> sender_;
+};
+
 ChildThreadImpl::ChildThreadImpl()
     : route_provider_binding_(this),
       associated_interface_provider_bindings_(
           mojo::BindingSetDispatchMode::WITH_CONTEXT),
       router_(this),
       channel_connected_factory_(
           new base::WeakPtrFactory<ChildThreadImpl>(this)),
       weak_factory_(this) {
   Init(Options::Builder().Build());
 }
@@ skipping 190 matching lines @@
                             channel_connected_factory_->GetWeakPtr()),
       base::TimeDelta::FromSeconds(connection_timeout));
 
 #if defined(OS_ANDROID)
   g_quit_closure.Get().BindToMainThread();
 #endif
 
   shared_bitmap_manager_.reset(
       new ChildSharedBitmapManager(thread_safe_sender()));
 
-  discardable_shared_memory_manager_.reset(
-      new ChildDiscardableSharedMemoryManager(thread_safe_sender()));
+  client_discardable_shared_memory_manager_delegate_ =
+      base::MakeUnique<ClientDiscardableSharedMemoryManagerDelegate>(
+          thread_safe_sender());
+  discardable_shared_memory_manager_ = base::MakeUnique<
+      discardable_memory::ClientDiscardableSharedMemoryManager>(
+      client_discardable_shared_memory_manager_delegate_.get());
 }
 
 ChildThreadImpl::~ChildThreadImpl() {
 #ifdef IPC_MESSAGE_LOG_ENABLED
   IPC::Logging::GetInstance()->SetIPCSender(NULL);
 #endif
 
   channel_->RemoveFilter(histogram_message_filter_.get());
   channel_->RemoveFilter(sync_message_filter_.get());
 
@@ skipping 307 matching lines @@
   connected_to_browser_ = true;
   child_info_ = local_info;
   browser_info_ = remote_info;
 }
 
 bool ChildThreadImpl::IsInBrowserProcess() const {
   return static_cast<bool>(browser_process_io_runner_);
 }
 
 }  // namespace content