Change SetImage, SetBackground, and SetToggledImage to take in a gfx::ImageSkia

ash/system/tray/tray_views.cc

Index: ash/system/tray/tray_views.cc
diff --git a/ash/system/tray/tray_views.cc b/ash/system/tray/tray_views.cc
index 62c7cda3f6b4a90e7651393eeedfbd92c0dde899..89a80ebe00cf3723000e92559b09cb7252a0b9dc 100644
--- a/ash/system/tray/tray_views.cc
+++ b/ash/system/tray/tray_views.cc
@@ -331,13 +331,13 @@ TrayPopupHeaderButton::TrayPopupHeaderButton(views::ButtonListener* listener,
     : views::ToggleImageButton(listener) {
   ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
   SetImage(views::CustomButton::BS_NORMAL,
-      bundle.GetImageNamed(enabled_resource_id).ToSkBitmap());
+      bundle.GetImageNamed(enabled_resource_id).ToImageSkia());
   SetToggledImage(views::CustomButton::BS_NORMAL,
-      bundle.GetImageNamed(disabled_resource_id).ToSkBitmap());
+      bundle.GetImageNamed(disabled_resource_id).ToImageSkia());
   SetImage(views::CustomButton::BS_HOT,
-      bundle.GetImageNamed(enabled_resource_id_hover).ToSkBitmap());
+      bundle.GetImageNamed(enabled_resource_id_hover).ToImageSkia());
   SetToggledImage(views::CustomButton::BS_HOT,
-      bundle.GetImageNamed(disabled_resource_id_hover).ToSkBitmap());
+      bundle.GetImageNamed(disabled_resource_id_hover).ToImageSkia());
   SetImageAlignment(views::ImageButton::ALIGN_CENTER,
                     views::ImageButton::ALIGN_MIDDLE);
   set_focusable(true);
@@ -471,7 +471,7 @@ void TrayNotificationView::InitView(views::View* contents) {
 
   views::ImageButton* close_button = new views::ImageButton(this);
   close_button->SetImage(views::CustomButton::BS_NORMAL,
-                         ResourceBundle::GetSharedInstance().GetBitmapNamed(
+                         ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
                              IDR_AURA_WINDOW_CLOSE));
 
   int contents_width = kTrayPopupWidth - kNotificationCloseButtonWidth;