stop calling SkCanvas::getDevice

src/animator/SkSnapshot.cpp

Index: src/animator/SkSnapshot.cpp
diff --git a/src/animator/SkSnapshot.cpp b/src/animator/SkSnapshot.cpp
index 6f818a627d7e19f364c8c84d0229705ec50a6721..b61d602047a67811d15c0d62a987d750bee13e45 100644
--- a/src/animator/SkSnapshot.cpp
+++ b/src/animator/SkSnapshot.cpp
@@ -60,8 +60,10 @@ bool SkSnapshot::draw(SkAnimateMaker& maker) {
         name.append(".jpg");
     else if (type == SkImageEncoder::kPNG_Type)
         name.append(".png");
-    encoder->encodeFile(name.c_str(),
-                        maker.fCanvas->getDevice()->accessBitmap(false),
-                        SkScalarFloorToInt(quality));
+
+    SkBitmap pixels;
+    pixels.allocPixels(maker.fCanvas->imageInfo());
+    maker.fCanvas->readPixels(&pixels, 0, 0);
+    encoder->encodeFile(name.c_str(), pixels, SkScalarFloorToInt(quality));
     return false;
 }