Added support for HTML5 progress element.

gfx/native_theme_win.h

 // Copyright (c) 2009 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.
 //
 // A wrapper class for working with custom XP/Vista themes provided in
 // uxtheme.dll.  This is a singleton class that can be grabbed using
 // NativeTheme::instance().
 // For more information on visual style parts and states, see:
 // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/commctls/userex/topics/partsandstates.asp
 
@@ skipping 25 matching lines @@
     BUTTON,
     LIST,
     MENU,
     MENULIST,
     SCROLLBAR,
     STATUS,
     TAB,
     TEXTFIELD,
     TRACKBAR,
     WINDOW,
+    PROGRESS,
     LAST
   };
 
   // This enumeration is used within PaintMenuArrow in order to indicate the
   // direction the menu arrow should point to.
   enum MenuArrowDirection {
     LEFT_POINTING_ARROW,
     RIGHT_POINTING_ARROW
   };
 
@@ skipping 144 matching lines @@
                          bool fill_content_area,
                          bool draw_edges) const;
 
   HRESULT PaintTrackbar(HDC hdc,
                         int part_id,
                         int state_id,
                         int classic_state,
                         RECT* rect,
                         skia::PlatformCanvas* canvas) const;
 
+  HRESULT PaintProgressBar(HDC hdc,
+                           RECT* bar_rect,
+                           int value_part_id,
+                           RECT* value_rect,
+                           skia::PlatformCanvas* canvas) const;
+
   bool IsThemingActive() const;
 
   HRESULT GetThemePartSize(ThemeName themeName,
                            HDC hdc,
                            int part_id,
                            int state_id,
                            RECT* rect,
                            int ts,
                            SIZE* size) const;
 
@@ skipping 42 matching lines @@
   ~NativeTheme();
 
   HRESULT PaintFrameControl(HDC hdc,
                             RECT* rect,
                             UINT type,
                             UINT state,
                             bool is_highlighted) const;
 
   // Returns a handle to the theme data.
   HANDLE GetThemeHandle(ThemeName theme_name) const;
+  HRGN GetClipHandle() const;
 
   // Function pointers into uxtheme.dll.
   DrawThemeBackgroundPtr draw_theme_;
   DrawThemeBackgroundExPtr draw_theme_ex_;
   GetThemeColorPtr get_theme_color_;
   GetThemeContentRectPtr get_theme_content_rect_;
   GetThemePartSizePtr get_theme_part_size_;
   OpenThemeDataPtr open_theme_;
   CloseThemeDataPtr close_theme_;
   SetThemeAppPropertiesPtr set_theme_properties_;
   IsThemeActivePtr is_theme_active_;
   GetThemeIntPtr get_theme_int_;
 
   // Handle to uxtheme.dll.
   HMODULE theme_dll_;
-
+  // A cache of original clipping handle
+  mutable HRGN clip_;
   // A cache of open theme handles.
   mutable HANDLE theme_handles_[LAST];
 
   DISALLOW_COPY_AND_ASSIGN(NativeTheme);
 };
 
 }  // namespace gfx
 
 #endif  // APP_GFX_NATIVE_THEME_WIN_H_