Remove implementation of Panels on OSes other than ChromeOS.

chrome/browser/ui/views/panels/panel_frame_view.h

-// Copyright (c) 2012 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 CHROME_BROWSER_UI_VIEWS_PANELS_PANEL_FRAME_VIEW_H_
-#define CHROME_BROWSER_UI_VIEWS_PANELS_PANEL_FRAME_VIEW_H_
-
-#include "base/macros.h"
-#include "chrome/browser/ui/panels/panel_constants.h"
-#include "chrome/browser/ui/views/tab_icon_view_model.h"
-#include "ui/views/controls/button/button.h"
-#include "ui/views/window/non_client_view.h"
-
-class PanelView;
-class TabIconView;
-
-namespace views {
-class ImageButton;
-class Label;
-}
-
-class PanelFrameView : public views::NonClientFrameView,
-                       public views::ButtonListener,
-                       public TabIconViewModel {
- public:
-  enum PaintState {
-    PAINT_AS_INACTIVE,
-    PAINT_AS_ACTIVE,
-    PAINT_AS_MINIMIZED,
-    PAINT_FOR_ATTENTION
-  };
-
-  explicit PanelFrameView(PanelView* panel_view);
-  ~PanelFrameView() override;
-
-  void Init();
-  void UpdateTitle();
-  void UpdateIcon();
-  void UpdateThrobber();
-  void UpdateTitlebarMinimizeRestoreButtonVisibility();
-  void SetWindowCornerStyle(panel::CornerStyle corner_style);
-
-  // Returns the size of the non-client area, that is, the window size minus
-  // the size of the client area.
-  gfx::Size NonClientAreaSize() const;
-
-  int BorderThickness() const;
-
-  PaintState GetPaintState() const;
-
-  views::ImageButton* close_button() const { return close_button_; }
-  views::ImageButton* minimize_button() const { return minimize_button_; }
-  views::ImageButton* restore_button() const { return restore_button_; }
-  TabIconView* title_icon() const { return title_icon_; }
-  views::Label* title_label() const { return title_label_; }
-  panel::CornerStyle corner_style() const { return corner_style_; }
-
- private:
-  // Overridden from views::NonClientFrameView:
-  gfx::Rect GetBoundsForClientView() const override;
-  gfx::Rect GetWindowBoundsForClientBounds(
-      const gfx::Rect& client_bounds) const override;
-  int NonClientHitTest(const gfx::Point& point) override;
-  void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask) override;
-  void ResetWindowControls() override;
-  void UpdateWindowIcon() override;
-  void UpdateWindowTitle() override;
-  void SizeConstraintsChanged() override;
-
-  // Overridden from views::View:
-  gfx::Size GetPreferredSize() const override;
-  const char* GetClassName() const override;
-  gfx::Size GetMinimumSize() const override;
-  gfx::Size GetMaximumSize() const override;
-  void Layout() override;
-  void OnPaint(gfx::Canvas* canvas) override;
-  bool OnMousePressed(const ui::MouseEvent& event) override;
-  bool OnMouseDragged(const ui::MouseEvent& event) override;
-  void OnMouseReleased(const ui::MouseEvent& event) override;
-  void OnMouseCaptureLost() override;
-
-  // Overridden from views::ButtonListener:
-  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
-
-  // Overridden from TabIconViewModel:
-  bool ShouldTabIconViewAnimate() const override;
-  gfx::ImageSkia GetFaviconForTabIconView() override;
-
-  int TitlebarHeight() const;
-
-  const gfx::ImageSkia* GetFrameBackground(PaintState paint_state) const;
-
-  // Update control styles to indicate if the titlebar is active or not.
-  void UpdateControlStyles(PaintState paint_state);
-
-  // Custom draw the frame.
-  void PaintFrameBackground(gfx::Canvas* canvas);
-  void PaintFrameEdge(gfx::Canvas* canvas);
-
-  // Retrieves the drawing metrics based on the current painting state.
-  SkColor GetTitleColor(PaintState paint_state) const;
-
-  // Returns true if |mouse_location| is within the panel's resizing area.
-  bool IsWithinResizingArea(const gfx::Point& mouse_location) const;
-
-  static const char kViewClassName[];
-
-  bool is_frameless_;
-  PanelView* panel_view_;
-  views::ImageButton* close_button_;
-  views::ImageButton* minimize_button_;
-  views::ImageButton* restore_button_;
-  TabIconView* title_icon_;
-  views::Label* title_label_;
-  panel::CornerStyle corner_style_;
-
-  DISALLOW_COPY_AND_ASSIGN(PanelFrameView);
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_PANELS_PANEL_FRAME_VIEW_H_