Move metafile printing code from platform canvas to PaintCanvas

skia/ext/platform_canvas.cc

Index: skia/ext/platform_canvas.cc
diff --git a/skia/ext/platform_canvas.cc b/skia/ext/platform_canvas.cc
index e1b63099e6493ecc1644d93d051c04f4c300553c..288e391dc5eb04619ecd180d2a8ac53e233cd304 100644
--- a/skia/ext/platform_canvas.cc
+++ b/skia/ext/platform_canvas.cc
@@ -10,27 +10,6 @@
 #include "third_party/skia/include/core/SkMetaData.h"
 #include "third_party/skia/include/core/SkTypes.h"
 
-namespace {
-
-#if defined(OS_MACOSX)
-const char kIsPreviewMetafileKey[] = "CrIsPreviewMetafile";
-
-void SetBoolMetaData(const SkCanvas& canvas, const char* key,  bool value) {
-  SkMetaData& meta = skia::GetMetaData(canvas);
-  meta.setBool(key, value);
-}
-
-bool GetBoolMetaData(const SkCanvas& canvas, const char* key) {
-  bool value;
-  SkMetaData& meta = skia::GetMetaData(canvas);
-  if (!meta.findBool(key, &value))
-    value = false;
-  return value;
-}
-#endif
-
-}  // namespace
-
 namespace skia {
 
 SkBitmap ReadPixels(SkCanvas* canvas) {
@@ -61,20 +40,6 @@ size_t PlatformCanvasStrideForWidth(unsigned width) {
   return 4 * width;
 }
 
-SkMetaData& GetMetaData(const SkCanvas& canvas) {
-  return const_cast<SkCanvas&>(canvas).getMetaData();
-}
-
-#if defined(OS_MACOSX)
-void SetIsPreviewMetafile(const SkCanvas& canvas, bool is_preview) {
-  SetBoolMetaData(canvas, kIsPreviewMetafileKey, is_preview);
-}
-
-bool IsPreviewMetafile(const SkCanvas& canvas) {
-  return GetBoolMetaData(canvas, kIsPreviewMetafileKey);
-}
-#endif
-
 #if !defined(WIN32)
 
 std::unique_ptr<SkCanvas> CreatePlatformCanvasWithPixels(