chromeos: Remove TrayBubbleView::Delegate::OnBeforeBubbleWidgetInit

ui/views/bubble/tray_bubble_view.h

Index: ui/views/bubble/tray_bubble_view.h
diff --git a/ui/views/bubble/tray_bubble_view.h b/ui/views/bubble/tray_bubble_view.h
index ccd7b77a0a3f2ea52aa6009815b20b364f96b713..81042a839e1dc55c79d2e3b6af1f2fc76cb62a4b 100644
--- a/ui/views/bubble/tray_bubble_view.h
+++ b/ui/views/bubble/tray_bubble_view.h
@@ -9,6 +9,7 @@
 
 #include "base/macros.h"
 #include "base/optional.h"
+#include "ui/gfx/native_widget_types.h"
 #include "ui/views/bubble/bubble_dialog_delegate.h"
 #include "ui/views/mouse_watcher.h"
 #include "ui/views/views_export.h"
@@ -61,15 +62,6 @@ class VIEWS_EXPORT TrayBubbleView : public BubbleDialogDelegateView,
     // accessible name for the bubble.
     virtual base::string16 GetAccessibleNameForBubble() = 0;
 
-    // Called before Widget::Init() on |bubble_widget|. Allows |params| to be
-    // modified.
-    // TODO(jamescook): Eliminate this method. It was introduced to let mash set
-    // the widget container back when mash could not use aura::Window. Now the
-    // anchor view should be sufficient.
-    virtual void OnBeforeBubbleWidgetInit(Widget* anchor_widget,
-                                          Widget* bubble_widget,
-                                          Widget::InitParams* params) const = 0;
-
     // Called when a bubble wants to hide/destroy itself (e.g. last visible
     // child view was closed).
     virtual void HideBubble(const TrayBubbleView* bubble_view) = 0;
@@ -79,23 +71,22 @@ class VIEWS_EXPORT TrayBubbleView : public BubbleDialogDelegateView,
   };
 
   struct VIEWS_EXPORT InitParams {
-    InitParams(AnchorAlignment anchor_alignment, int min_width, int max_width);
+    InitParams();
     InitParams(const InitParams& other);
-    AnchorAlignment anchor_alignment;
-    int min_width;
-    int max_width;
-    int max_height;
-    bool can_activate;
-    bool close_on_deactivate;
+    Delegate* delegate = nullptr;
+    gfx::NativeWindow parent_window = nullptr;
+    View* anchor_view = nullptr;
+    AnchorAlignment anchor_alignment = ANCHOR_ALIGNMENT_BOTTOM;
+    int min_width = 0;
+    int max_width = 0;
+    int max_height = 0;
+    bool can_activate = false;
+    bool close_on_deactivate = true;
     // If not provided, the bg color will be derived from the NativeTheme.
     base::Optional<SkColor> bg_color;
   };
 
-  // Constructs and returns a TrayBubbleView. |init_params| may be modified.
-  static TrayBubbleView* Create(views::View* anchor,
-                                Delegate* delegate,
-                                InitParams* init_params);
-
+  explicit TrayBubbleView(const InitParams& init_params);
   ~TrayBubbleView() override;
 
   // Returns whether a tray bubble is active.
@@ -152,10 +143,6 @@ class VIEWS_EXPORT TrayBubbleView : public BubbleDialogDelegateView,
   void MouseMovedOutOfHost() override;
 
  protected:
-  TrayBubbleView(views::View* anchor,
-                 Delegate* delegate,
-                 const InitParams& init_params);
-
   // Overridden from views::BubbleDialogDelegateView.
   int GetDialogButtons() const override;