Add SkMiniData.

src/core/SkMiniData.h

Index: src/core/SkMiniData.h
diff --git a/src/core/SkMiniData.h b/src/core/SkMiniData.h
new file mode 100644
index 0000000000000000000000000000000000000000..fd22cea9ca502e8024520c82fe14c0ebdf9c2930
--- /dev/null
+++ b/src/core/SkMiniData.h
@@ -0,0 +1,24 @@
+#ifndef SkMiniData_DEFINED
+#define SkMiniData_DEFINED
+
+// A class that can store any immutable byte string,
+// but optimized to store <=7 bytes.
+
+#include "SkTypes.h"
+
+class SkMiniData {
+public:
+    SkMiniData(const void*, size_t);
+    SkMiniData(const SkMiniData&);
+    ~SkMiniData();
+
+    const void* data() const;
+    size_t len() const;
+
+private:
+    SkMiniData& operator=(const SkMiniData&);
+
+    const uint64_t fRep;
+};
+
+#endif//SkMiniData_DEFINED