Remove ui/gfx/screen_type_delegate.h

ui/views/cocoa/tooltip_manager_mac.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_COCOA_TOOLTOP_MANAGER_MAC_H_
 #define UI_VIEWS_COCOA_TOOLTOP_MANAGER_MAC_H_
 
 #include "base/macros.h"
 #include "ui/views/widget/tooltip_manager.h"
 
 namespace views {
 class BridgedNativeWidget;
 
 // Manages native Cocoa tooltips for the given BridgedNativeWidget.
 class TooltipManagerMac : public TooltipManager {
  public:
   explicit TooltipManagerMac(BridgedNativeWidget* widget);
   ~TooltipManagerMac() override;
 
   // TooltipManager:
-  int GetMaxWidth(const gfx::Point& location,
-                  gfx::NativeView context) const override;
+  int GetMaxWidth(const gfx::Point& location) const override;
   const gfx::FontList& GetFontList() const override;
   void UpdateTooltip() override;
   void TooltipTextChanged(View* view) override;
 
  private:
   BridgedNativeWidget* widget_;  // Weak. Owns this.
 
   DISALLOW_COPY_AND_ASSIGN(TooltipManagerMac);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_COCOA_TOOLTOP_MANAGER_MAC_H_