Add PlatformPictureSkia and RecordingPlatformDeviceSkia.

ui/base/native_theme/native_theme_win.cc

Index: ui/base/native_theme/native_theme_win.cc
diff --git a/ui/base/native_theme/native_theme_win.cc b/ui/base/native_theme/native_theme_win.cc
index 92fd382c1434723e219eb14830f0d53dd570689a..3b0c94cc80f1d10123a002b7d45b208c42dc38ab 100644
--- a/ui/base/native_theme/native_theme_win.cc
+++ b/ui/base/native_theme/native_theme_win.cc
@@ -288,7 +288,8 @@ void NativeThemeWin::Paint(SkCanvas* canvas,
                            const gfx::Rect& rect,
                            const ExtraParams& extra) const {
   bool needs_paint_indirect = false;
-  if (!skia::SupportsPlatformPaint(canvas)) {
+  if (skia::PlatformPaintSupport(canvas) !=
+      skia::PlatformDevice::PLATFORM_PAINT_DIRECT) {
     // This block will only get hit with --enable-accelerated-drawing flag.
     needs_paint_indirect = true;
   } else {
@@ -483,7 +484,7 @@ void NativeThemeWin::PaintIndirect(SkCanvas* canvas,
   scoped_ptr<SkCanvas> offscreen_canvas(
       skia::CreateBitmapCanvas(rect.width(), rect.height(), false));
   DCHECK(offscreen_canvas.get());

[reed1, 2012/09/25 11:53:59]

shouldn't we DCHECK against one or more enum values here, instead of relying on
passive conversion to bool?

[reveman, 2012/09/25 12:04:13]

I explicitly made PLATFORM_PAINT_UNSUPPORTED = 0 so code that doesn't care about
the paint type can do this check.

I can change this to an explicit enum value check if you prefer that?

-  DCHECK(skia::SupportsPlatformPaint(offscreen_canvas.get()));
+  DCHECK(skia::PlatformPaintSupport(offscreen_canvas.get()));
 
   // Some of the Windows theme drawing operations do not write correct alpha
   // values for fully-opaque pixels; instead the pixels get alpha 0. This is