Fleshes out the tooltip implementation for views on Gtk. It doesn't...

views/widget/tooltip_manager_win.h

 // Copyright (c) 2006-2008 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 VIEWS_WIDGET_TOOLTIP_MANAGER_WIN_H_
 #define VIEWS_WIDGET_TOOLTIP_MANAGER_WIN_H_
 
 #include <windows.h>
 #include <commctrl.h>
 #include <string>
@@ skipping 90 matching lines @@
 
  private:
   // Sets the tooltip position based on the x/y position of the text. If the
   // tooltip fits, true is returned.
   bool SetTooltipPosition(int text_x, int text_y);
 
   // Calculates the preferred height for tooltips. This always returns a
   // positive value.
   int CalcTooltipHeight();
 
-  // Trims the tooltip to fit, setting text to the clipped result, width to the
-  // width (in pixels) of the clipped text and line_count to the number of lines
-  // of text in the tooltip.
-  void TrimTooltipToFit(std::wstring* text,
-                        int* width,
-                        int* line_count,
-                        int position_x,
-                        int position_y,
-                        HWND window);
-
   // Invoked when the timer elapses and tooltip has to be destroyed.
   void DestroyKeyboardTooltipWindow(HWND window_to_destroy);
 
   // Hosting Widget.
   Widget* widget_;
 
   // The View the mouse is under. This is null if the mouse isn't under a
   // View.
   View* last_tooltip_view_;
 
@@ skipping 20 matching lines @@
   // Used to register DestroyTooltipWindow function with PostDelayedTask
   // function.
   ScopedRunnableMethodFactory<TooltipManagerWin> keyboard_tooltip_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TooltipManagerWin);
 };
 
 }  // namespace views
 
 #endif // VIEWS_WIDGET_TOOLTIP_MANAGER_WIN_H_