Add PlatformPictureSkia and RecordingPlatformDeviceSkia.

skia/ext/platform_canvas.h

Index: skia/ext/platform_canvas.h
diff --git a/skia/ext/platform_canvas.h b/skia/ext/platform_canvas.h
index cbeb95b2bbe252cf5c5ebc7bd3abeeb3ad29dcf8..91db9f7aa4f648c76e1333591e0ddb9bfb2d6c2c 100644
--- a/skia/ext/platform_canvas.h
+++ b/skia/ext/platform_canvas.h
@@ -115,10 +115,14 @@ SK_API SkCanvas* CreateBitmapCanvas(int width, int height, bool is_opaque);
 // and where it is possible to recover gracefully from the failed allocation.
 SK_API SkCanvas* TryCreateBitmapCanvas(int width, int height, bool is_opaque);
 
+// Returns support for native platform routines.
+SK_API PlatformDevice::PlatformPaint PlatformPaintSupport(

[sky, 2012/09/26 21:17:32]

Can we have a Get in here, eg GetPlatformPaintSupport? Or just GetPlatformPaint
which matches the name of what is returned.

+    const SkCanvas* canvas);
+
 // Returns true if native platform routines can be used to draw on the
 // given canvas. If this function returns false, BeginPlatformPaint will
 // return NULL PlatformSurface.
-SK_API bool SupportsPlatformPaint(const SkCanvas* canvas);
+SK_API bool IsPlatformPaintSupported(const SkCanvas* canvas);
 
 // Draws into the a native platform surface, |context|.  Forwards to
 // DrawToNativeContext on a PlatformDevice instance bound to the top device.