Renames WmShell to ShellPort

ash/wm/overview/window_selector_item.cc

Index: ash/wm/overview/window_selector_item.cc
diff --git a/ash/wm/overview/window_selector_item.cc b/ash/wm/overview/window_selector_item.cc
index 8c661a13b79027b2753aac5671f1151b6102983d..dd2acf61510c9a7cfc402650f4acc9ca71caf05b 100644
--- a/ash/wm/overview/window_selector_item.cc
+++ b/ash/wm/overview/window_selector_item.cc
@@ -12,6 +12,7 @@
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/root_window_controller.h"
+#include "ash/shell_port.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/wm/overview/cleanup_animation_observer.h"
 #include "ash/wm/overview/overview_animation_type.h"
@@ -21,7 +22,6 @@
 #include "ash/wm/overview/window_selector.h"
 #include "ash/wm/overview/window_selector_controller.h"
 #include "ash/wm/window_state.h"
-#include "ash/wm_shell.h"
 #include "ash/wm_window.h"
 #include "base/auto_reset.h"
 #include "base/strings/string_util.h"
@@ -537,7 +537,7 @@ void WindowSelectorItem::SetDimmed(bool dimmed) {
 void WindowSelectorItem::ButtonPressed(views::Button* sender,
                                        const ui::Event& event) {
   if (sender == close_button_) {
-    WmShell::Get()->RecordUserMetricsAction(UMA_WINDOW_OVERVIEW_CLOSE_BUTTON);
+    ShellPort::Get()->RecordUserMetricsAction(UMA_WINDOW_OVERVIEW_CLOSE_BUTTON);
     CloseWindow();
     return;
   }