MacViews: Implement non-client frame view

chrome/browser/ui/views/frame/browser_non_client_frame_view_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 CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_MAC_H_
+#define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_MAC_H_
+
+#include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
+
+class BrowserNonClientFrameViewMac : public BrowserNonClientFrameView {
+ public:
+  // Mac implementation of BrowserNonClientFrameView.
+  BrowserNonClientFrameViewMac(BrowserFrame* frame, BrowserView* browser_view);
+  ~BrowserNonClientFrameViewMac() override;
+
+  // BrowserNonClientFrameView:
+  gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const override;
+  int GetTopInset() const override;
+  int GetThemeBackgroundXInset() const override;
+  void UpdateThrobber(bool running) override;
+
+  // 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;
+
+  // views::View:
+  gfx::Size GetMinimumSize() const override;
+
+ protected:
+  // views::View:
+  void OnPaint(gfx::Canvas* canvas) override;
+
+  // BrowserNonClientFrameView:
+  void UpdateNewStyleAvatar() override;
+
+ private:
+  void PaintThemedFrame(gfx::Canvas* canvas);
+  void PaintToolbarBackground(gfx::Canvas* canvas);
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserNonClientFrameViewMac);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_MAC_H_