refactor: rename the atom directory to shell

shell/browser/native_browser_view_mac.h

@@ -0,0 +1,35 @@
+// Copyright (c) 2017 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_NATIVE_BROWSER_VIEW_MAC_H_
+#define ATOM_BROWSER_NATIVE_BROWSER_VIEW_MAC_H_
+
+#import <Cocoa/Cocoa.h>
+#include <vector>
+
+#include "atom/browser/native_browser_view.h"
+#include "base/mac/scoped_nsobject.h"
+
+namespace atom {
+
+class NativeBrowserViewMac : public NativeBrowserView {
+ public:
+  explicit NativeBrowserViewMac(
+      InspectableWebContents* inspectable_web_contents);
+  ~NativeBrowserViewMac() override;
+
+  void SetAutoResizeFlags(uint8_t flags) override;
+  void SetBounds(const gfx::Rect& bounds) override;
+  void SetBackgroundColor(SkColor color) override;
+
+  void UpdateDraggableRegions(
+      const std::vector<gfx::Rect>& system_drag_exclude_areas) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NativeBrowserViewMac);
+};
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_NATIVE_BROWSER_VIEW_MAC_H_