Handle titlebar text updates properly

ash/wm/frame_painter.h

 // Copyright (c) 2012 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 ASH_WM_FRAME_PAINTER_H_
 #define ASH_WM_FRAME_PAINTER_H_
 
 #include <set>
 
 #include "ash/ash_export.h"
@@ skipping 94 matching lines @@
   // Paint the title bar, primarily the title string.
   void PaintTitleBar(views::NonClientFrameView* view,
                      gfx::Canvas* canvas,
                      const gfx::Font& title_font);
 
   // Performs layout for the header based on whether we want the shorter
   // appearance. |shorter_layout| is typically used for maximized windows, but
   // not always.
   void LayoutHeader(views::NonClientFrameView* view, bool shorter_layout);
 
+  // Schedule a re-paint of the entire title.
+  void SchedulePaintForTitle(views::NonClientFrameView* view,
+                             const gfx::Font& title_font);
+
   // aura::WindowObserver overrides:
   virtual void OnWindowPropertyChanged(aura::Window* window,
                                        const void* key,
                                        intptr_t old) OVERRIDE;
   virtual void OnWindowVisibilityChanged(aura::Window* window,
                                          bool visible) OVERRIDE;
   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
   virtual void OnWindowBoundsChanged(aura::Window* window,
                                      const gfx::Rect& old_bounds,
                                      const gfx::Rect& new_bounds) OVERRIDE;
@@ skipping 30 matching lines @@
 
   // Schedules a paint for the window header of the solo window.  Invoke this
   // when another window is hidden or destroyed to force the transparency of
   // the now-solo window to update.
   static void SchedulePaintForSoloWindow();
 
   // Schedules a paint for the header. Used when transitioning from no header to
   // a header (or other way around).
   void SchedulePaintForHeader();
 
+  // Get the bounds for the title. The provided |view| and |title_font| are
+  // used to determine the correct dimensions.
+  gfx::Rect GetTitleBounds(views::NonClientFrameView* view,
+                           const gfx::Font& title_font);
+
   static std::set<FramePainter*>* instances_;
 
   // Not owned
   views::Widget* frame_;
   views::View* window_icon_;  // May be NULL.
   views::ImageButton* size_button_;
   views::ImageButton* close_button_;
   aura::Window* window_;
 
   // Window frame header/caption parts.
@@ skipping 16 matching lines @@
   scoped_ptr<ui::SlideAnimation> crossfade_animation_;
 
   SizeButtonBehavior size_button_behavior_;
 
   DISALLOW_COPY_AND_ASSIGN(FramePainter);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_FRAME_PAINTER_H_