exo: Add SetGeometry function to ShellSurface class.

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 40 matching lines @@
   static void SetApplicationId(aura::Window* window,
                                std::string* application_id);
   static const std::string GetApplicationId(aura::Window* window);
 
   // Set application id for surface.
   void SetApplicationId(const std::string& application_id);
 
   // Start an interactive move of surface.
   void Move();
 
+  // Set geometry for surface. The geometry represents the "visible bounds"
+  // for the surface from the user's perspective.
+  void SetGeometry(const gfx::Rect& geometry);
+
   // Returns a trace value representing the state of the surface.
   scoped_refptr<base::trace_event::TracedValue> AsTracedValue() const;
 
   // Overridden from SurfaceDelegate:
   void OnSurfaceCommit() override;
   bool IsSurfaceSynchronized() const override;
 
   // Overridden from SurfaceObserver:
   void OnSurfaceDestroying(Surface* surface) override;
 
   // Overridden from views::WidgetDelegate:
   base::string16 GetWindowTitle() const override;
   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:
   scoped_ptr<views::Widget> widget_;
   Surface* surface_;
   base::string16 title_;
   std::string application_id_;
+  gfx::Rect geometry_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellSurface);
 };
 
 }  // namespace exo
 
 #endif  // COMPONENTS_EXO_SHELL_SURFACE_H_