Converts remainder of ui and chrome/browser/ui/views/frame to use ImageSkia

ui/views/widget/native_widget_aura.cc

Index: ui/views/widget/native_widget_aura.cc
diff --git a/ui/views/widget/native_widget_aura.cc b/ui/views/widget/native_widget_aura.cc
index 90b17b9ec5f54a064de48ed2e0e5abe432015ebb..a2e3a4719690def81bd0829fb806c4ab64bb5b8c 100644
--- a/ui/views/widget/native_widget_aura.cc
+++ b/ui/views/widget/native_widget_aura.cc
@@ -404,8 +404,8 @@ void NativeWidgetAura::SetWindowTitle(const string16& title) {
   window_->set_title(title);
 }
 
-void NativeWidgetAura::SetWindowIcons(const SkBitmap& window_icon,
-                                     const SkBitmap& app_icon) {
+void NativeWidgetAura::SetWindowIcons(const gfx::ImageSkia& window_icon,
+                                      const gfx::ImageSkia& app_icon) {
   // Aura doesn't have window icons.
 }