Remove SkDevice and SkBaseDevice outside skia/ext/

ui/gfx/canvas.cc

Index: ui/gfx/canvas.cc
diff --git a/ui/gfx/canvas.cc b/ui/gfx/canvas.cc
index cd769000993d05159f9e9e8d42d115368ed96b54..1fe2d3ca951b85bee70082a447ff4da17586a3e7 100644
--- a/ui/gfx/canvas.cc
+++ b/ui/gfx/canvas.cc
@@ -120,7 +120,7 @@ ImageSkiaRep Canvas::ExtractImageRep() const {
   // Make a bitmap to return, and a canvas to draw into it. We don't just want
   // to call extractSubset or the copy constructor, since we want an actual copy
   // of the bitmap.
-  const SkISize size = canvas_->getDeviceSize();
+  const SkISize size = canvas_->getBaseLayerSize();
   SkBitmap result;
   result.allocN32Pixels(size.width(), size.height());