keep only one typedef for the native drawing context

skia/ext/bitmap_platform_device_mac_unittest.cc

Index: skia/ext/bitmap_platform_device_mac_unittest.cc
diff --git a/skia/ext/bitmap_platform_device_mac_unittest.cc b/skia/ext/bitmap_platform_device_mac_unittest.cc
index e6f3c759334912b7d3de17e94726e85d213aa225..b1f6ee74dab194fbcb6c7295996a3f66e0aea036 100644
--- a/skia/ext/bitmap_platform_device_mac_unittest.cc
+++ b/skia/ext/bitmap_platform_device_mac_unittest.cc
@@ -36,7 +36,7 @@ TEST_F(BitmapPlatformDeviceMacTest, ClipRectTransformWithTranslate) {
   canvas->setMatrix(transform);
 
   ScopedPlatformPaint p(canvas.get());
-  CGContextRef context = p.GetPlatformSurface();
+  CGContextRef context = p.GetNativeDrawingContext();
 
   SkRect clip_rect = skia::CGRectToSkRect(CGContextGetClipBoundingBox(context));
   transform.mapRect(&clip_rect);
@@ -54,7 +54,7 @@ TEST_F(BitmapPlatformDeviceMacTest, ClipRectTransformWithScale) {
   canvas->setMatrix(transform);
 
   ScopedPlatformPaint p(canvas.get());
-  CGContextRef context = p.GetPlatformSurface();
+  CGContextRef context = p.GetNativeDrawingContext();
 
   SkRect clip_rect = skia::CGRectToSkRect(CGContextGetClipBoundingBox(context));
   transform.mapRect(&clip_rect);