[Refactor] Move code for painting the window header for browser windows out of ash

ash/wm/frame_border_hit_test_controller.h

Index: ash/wm/frame_border_hit_test_controller.h
diff --git a/ash/wm/frame_border_hit_test_controller.h b/ash/wm/frame_border_hit_test_controller.h
index 126f40601b52b93f7ad0dcab31128db4fad51dd3..2fe595c4385ac609d1261073a9376a49939cc3d0 100644
--- a/ash/wm/frame_border_hit_test_controller.h
+++ b/ash/wm/frame_border_hit_test_controller.h
@@ -23,7 +23,7 @@ class Widget;
 }
 
 namespace ash {
-class HeaderPainter;
+class FrameCaptionButtonContainerView;
 
 // Class which manages the hittest override bounds for |frame|.
 class ASH_EXPORT FrameBorderHitTestController {
@@ -33,9 +33,10 @@ class ASH_EXPORT FrameBorderHitTestController {
 
   // Does the non client hit test on behalf of |view|. |point| must be in the
   // coordinates of |view|'s widget.
-  static int NonClientHitTest(views::NonClientFrameView* view,
-                              HeaderPainter* header_painter,
-                              const gfx::Point& point);
+  static int NonClientHitTest(
+      views::NonClientFrameView* view,
+      FrameCaptionButtonContainerView* caption_button_container,
+      const gfx::Point& point);
 
  private:
   // The window whose hittest override bounds are being managed.