exo: Improve window placement.

components/exo/shell_surface.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 COMPONENTS_EXO_SHELL_SURFACE_H_
 #define COMPONENTS_EXO_SHELL_SURFACE_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 37 matching lines @@
 
   // Set the callback to run when the client is asked to resize the surface.
   // The size is a hint, in the sense that the client is free to ignore it if
   // it doesn't resize, pick a smaller size (to satisfy aspect ratio or resize
   // in steps of NxM pixels).
   using ConfigureCallback = base::Callback<void(const gfx::Size& size)>;
   void set_configure_callback(const ConfigureCallback& configure_callback) {
     configure_callback_ = configure_callback;
   }
 
-  // Initialize shell surface as a toplevel window.
-  void Init();
-
   // Maximizes the shell surface.
   void Maximize();
 
   // Set fullscreen state for shell surface.
   void SetFullscreen(bool fullscreen);
 
   // Set title for surface.
   void SetTitle(const base::string16& title);
 
   // Sets the application ID for the window. The application ID identifies the
@@ skipping 31 matching lines @@
   views::Widget* GetWidget() override;
   const views::Widget* GetWidget() const override;
   views::View* GetContentsView() override;
   views::NonClientFrameView* CreateNonClientFrameView(
       views::Widget* widget) override;
 
   // Overridden from views::View:
   gfx::Size GetPreferredSize() const override;
 
  private:
+  // Creates the |widget_| for |surface_|.
+  void CreateShellSurfaceWidget();
+
   scoped_ptr<views::Widget> widget_;
   Surface* surface_;
   base::string16 title_;
   std::string application_id_;
   gfx::Rect geometry_;
   base::Closure close_callback_;
   base::Closure surface_destroyed_callback_;
   ConfigureCallback configure_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellSurface);
 };
 
 }  // namespace exo
 
 #endif  // COMPONENTS_EXO_SHELL_SURFACE_H_