Added support for HTML5 progress element.

gfx/native_theme_win.h

Index: gfx/native_theme_win.h
diff --git a/gfx/native_theme_win.h b/gfx/native_theme_win.h
index 8dd320b171febb9f84ff8dae5f3cbe28a20b89bb..b98b13833fa21762b1f45eda4bc9aadd324af863 100644
--- a/gfx/native_theme_win.h
+++ b/gfx/native_theme_win.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 //
@@ -43,6 +43,7 @@ class NativeTheme {
     TEXTFIELD,
     TRACKBAR,
     WINDOW,
+    PROGRESS,
     LAST
   };
 
@@ -207,6 +208,12 @@ class NativeTheme {
                         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,