[Experimental] Supporting OOPIF printing

skia/ext/skia_utils_base.h

Index: skia/ext/skia_utils_base.h
diff --git a/skia/ext/skia_utils_base.h b/skia/ext/skia_utils_base.h
index 6af5cf7451d1f5c68ab271ce07327de727c118da..ac0d43cb29750b60453368f6358342241de1ab3b 100644
--- a/skia/ext/skia_utils_base.h
+++ b/skia/ext/skia_utils_base.h
@@ -5,9 +5,13 @@
 #ifndef SKIA_EXT_SKIA_UTILS_BASE_H_
 #define SKIA_EXT_SKIA_UTILS_BASE_H_
 
+#include <memory>
+#include <vector>
+
 #include "base/pickle.h"
-#include "third_party/skia/include/ports/SkFontConfigInterface.h"
+#include "skia/ext/SkFutureDrawable.h"
 #include "third_party/skia/include/core/SkSurfaceProps.h"
+#include "third_party/skia/include/ports/SkFontConfigInterface.h"
 
 namespace skia {
 
@@ -38,6 +42,13 @@ SK_API bool WriteSkFontStyle(base::Pickle* pickle, SkFontStyle style);
 // Determine the default pixel geometry (for LCD) by querying the font host
 SK_API SkPixelGeometry ComputeDefaultPixelGeometry();
 
+// Create a SkDrawable from flattened data buffer.
+SK_API std::unique_ptr<SkDrawable> ReadDrawable(const char* buffer,
+                                                size_t size);
+
+// Flatten a SkDrawable and write into a data buffer.
+SK_API std::vector<char> WriteDrawable(SkDrawable* drawable);
+
 }  // namespace skia
 
 #endif  // SKIA_EXT_SKIA_UTILS_BASE_H_