Panel auto-resize for GTK.

chrome/browser/ui/gtk/browser_window_gtk.h

 // Copyright (c) 2011 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_GTK_BROWSER_WINDOW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
@@ skipping 232 matching lines @@
   // Save the window position in the prefs.
   virtual void SaveWindowPosition();
 
   // Sets the default size for the window and the way the user is allowed to
   // resize it.
   virtual void SetGeometryHints();
 
   // Returns |true| if we should use the custom frame.
   virtual bool UseCustomFrame();
 
+  // Called when the window size changed.
+  virtual void OnSizeChanged(int width, int height);
+
+  // Returns the size of the window frame around the client content area.
+  gfx::Size GetNonClientFrameSize() const;
+
   // Top level window.
   GtkWindow* window_;
   // GtkAlignment that holds the interior components of the chromium window.
   // This is used to draw the custom frame border and content shadow.
   GtkWidget* window_container_;
   // VBox that holds everything (tabs, toolbar, bookmarks bar, tab contents).
   GtkWidget* window_vbox_;
   // VBox that holds everything below the toolbar.
   GtkWidget* render_area_vbox_;
   // Floating container that holds the render area. It is needed to position
@@ skipping 23 matching lines @@
   // Connect to signals on |window_|.
   void ConnectHandlersToSignals();
 
   // Create the various UI components.
   void InitWidgets();
 
   // Set up background color of the window (depends on if we're incognito or
   // not).
   void SetBackgroundColor();
 
-  // Called when the window size changed.
-  void OnSizeChanged(int width, int height);
-
   // Applies the window shape to if we're in custom drawing mode.
   void UpdateWindowShape(int width, int height);
 
   // Connect accelerators that aren't connected to menu items (like ctrl-o,
   // ctrl-l, etc.).
   void ConnectAccelerators();
 
   // Change whether we're showing the custom blue frame.
   // Must be called once at startup.
   // Triggers relayout of the content.
@@ skipping 199 matching lines @@
   // be called. This should only be enabled in tests where the debounce timeout
   // introduces timing issues (e.g. in OmniBoxApiTest it dismisses the
   // autocomplete popup before the results can be read) and the final window
   // position is unimportant.
   bool debounce_timer_disabled_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_BROWSER_WINDOW_GTK_H_