Add a new GetSystemColor method to native theme.

ui/gfx/native_theme_win.cc

Index: ui/gfx/native_theme_win.cc
diff --git a/ui/gfx/native_theme_win.cc b/ui/gfx/native_theme_win.cc
index 9114e354b1a8d7b3e6933938da3abb8b675b44fd..fd2550ae2db715d349ab72cc683be2b309af911f 100644
--- a/ui/gfx/native_theme_win.cc
+++ b/ui/gfx/native_theme_win.cc
@@ -55,6 +55,12 @@ void SetCheckerboardShader(SkPaint* paint, const RECT& align_rect) {
   SkSafeUnref(paint->setShader(shader));
 }
 
+SkColor WinColorToSkColor(COLORREF color) {
+  return SkColorSetRGB(GetRValue(color), GetGValue(color), GetBValue(color));
+}
+
+const SkColor kInvalidColorIdColor = SkColorSetRGB(255, 0, 128);

[James Cook, 2011/11/19 03:02:46]

nit: We usually list constants before functions in namespace blocks.

[benrg, 2011/11/21 18:32:40]

Done.

+
 }  // namespace
 
 namespace gfx {
@@ -1682,4 +1688,20 @@ int NativeThemeWin::GetWindowsState(Part part,
   return state_id;
 }
 
+SkColor NativeThemeWin::GetSystemColor(ColorId color_id) const {
+  switch (color_id) {
+    case kDialogBackgroundColorId:
+      // TODO(benrg): Should this use the new Windows theme functions? The old
+      // code in DialogClientView::OnPaint used GetSysColor(COLOR_3DFACE).
+      return WinColorToSkColor(GetSysColor(COLOR_3DFACE));
+    default:
+      NOTREACHED() << "Invalid color_id: " << color_id;
+      break;
+  }
+  return kInvalidColorIdColor;
+}
+
+
+}
+
 }  // namespace gfx