refactor: rename the atom directory to shell

shell/renderer/guest_view_container.cc

@@ -0,0 +1,64 @@
+// Copyright (c) 2015 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/renderer/guest_view_container.h"
+
+#include <map>
+#include <utility>
+
+#include "base/bind.h"
+#include "base/lazy_instance.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "ui/gfx/geometry/size.h"
+
+namespace atom {
+
+namespace {
+
+using GuestViewContainerMap = std::map<int, GuestViewContainer*>;
+static base::LazyInstance<GuestViewContainerMap>::DestructorAtExit
+    g_guest_view_container_map = LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
+GuestViewContainer::GuestViewContainer(content::RenderFrame* render_frame)
+    : weak_ptr_factory_(this) {}
+
+GuestViewContainer::~GuestViewContainer() {
+  if (element_instance_id_ > 0)
+    g_guest_view_container_map.Get().erase(element_instance_id_);
+}
+
+// static
+GuestViewContainer* GuestViewContainer::FromID(int element_instance_id) {
+  GuestViewContainerMap* guest_view_containers =
+      g_guest_view_container_map.Pointer();
+  auto it = guest_view_containers->find(element_instance_id);
+  return it == guest_view_containers->end() ? nullptr : it->second;
+}
+
+void GuestViewContainer::RegisterElementResizeCallback(
+    const ResizeCallback& callback) {
+  element_resize_callback_ = callback;
+}
+
+void GuestViewContainer::SetElementInstanceID(int element_instance_id) {
+  element_instance_id_ = element_instance_id;
+  g_guest_view_container_map.Get().insert(
+      std::make_pair(element_instance_id, this));
+}
+
+void GuestViewContainer::DidResizeElement(const gfx::Size& new_size) {
+  if (element_resize_callback_.is_null())
+    return;
+
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::BindOnce(element_resize_callback_, new_size));
+}
+
+base::WeakPtr<content::BrowserPluginDelegate> GuestViewContainer::GetWeakPtr() {
+  return weak_ptr_factory_.GetWeakPtr();
+}
+
+}  // namespace atom