Linux: App windows with frame: chrome and no color are now native.

apps/ui/views/app_window_frame_view.h

Index: apps/ui/views/app_window_frame_view.h
diff --git a/apps/ui/views/app_window_frame_view.h b/apps/ui/views/app_window_frame_view.h
index 69e84e99598caf36dac4a8a74528ca3ed97be53e..64379f80f8e25396d24a117e58d03260ca086fdc 100644
--- a/apps/ui/views/app_window_frame_view.h
+++ b/apps/ui/views/app_window_frame_view.h
@@ -7,12 +7,15 @@
 
 #include <string>
 
+#include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/path.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/window/non_client_view.h"
 
+class SkRegion;
+
 namespace gfx {
 class Canvas;
 class Point;
@@ -29,22 +32,24 @@ class Widget;
 
 namespace apps {
 
-class NativeAppWindow;
-
 // A frameless or non-Ash, non-panel NonClientFrameView for app windows.
 class AppWindowFrameView : public views::NonClientFrameView,
                            public views::ButtonListener {
  public:
   static const char kViewClassName[];
 
-  explicit AppWindowFrameView(NativeAppWindow* window);
+  explicit AppWindowFrameView();
   virtual ~AppWindowFrameView();
 
   // Initializes this for |widget|. Sets the number of pixels for which a click
   // is interpreted as a resize for the inner and outer border of the window
-  // and the lower-right corner resize handle.
+  // and the lower-right corner resize handle. If |draw_frame|, the view draws
+  // its own window title area and controls, using |frame_color| (otherwise
+  // |frame_color| is ignored). |draggable_region| may be NULL.
   void Init(views::Widget* widget,
+            bool draw_frame,
             const SkColor& frame_color,
+            const SkRegion* draggable_region,
             int resize_inside_bounds_size,
             int resize_outside_bounds_size,
             int resize_outside_scale_for_touch,
@@ -74,9 +79,10 @@ class AppWindowFrameView : public views::NonClientFrameView,
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
-  NativeAppWindow* window_;
   views::Widget* widget_;
+  bool draw_frame_;
   SkColor frame_color_;
+  const SkRegion* draggable_region_;
   views::ImageButton* close_button_;
   views::ImageButton* maximize_button_;
   views::ImageButton* restore_button_;