Renames WmShell to ShellPort

ash/wm/system_modal_container_event_filter.cc

Index: ash/wm/system_modal_container_event_filter.cc
diff --git a/ash/wm/system_modal_container_event_filter.cc b/ash/wm/system_modal_container_event_filter.cc
index 7352ec7cdb2b173a8324d895a08548ca25a870ea..93a3be97369777e9ddff6a450cb727b520192130 100644
--- a/ash/wm/system_modal_container_event_filter.cc
+++ b/ash/wm/system_modal_container_event_filter.cc
@@ -3,8 +3,8 @@
 // found in the LICENSE file.
 
 #include "ash/wm/system_modal_container_event_filter.h"
+#include "ash/shell_port.h"
 #include "ash/wm/system_modal_container_event_filter_delegate.h"
-#include "ash/wm_shell.h"
 #include "ui/aura/window.h"
 #include "ui/events/event.h"
 
@@ -18,7 +18,7 @@ SystemModalContainerEventFilter::~SystemModalContainerEventFilter() {}
 
 void SystemModalContainerEventFilter::OnEvent(ui::Event* event) {
   // Only filter modal events if a modal window is open.
-  if (!WmShell::Get()->IsSystemModalWindowOpen())
+  if (!ShellPort::Get()->IsSystemModalWindowOpen())
     return;
   aura::Window* target = static_cast<aura::Window*>(event->target());
   if (!delegate_->CanWindowReceiveEvents(target))