Add support for Flash Player Component updates on Linux

crypto/sha2.h

Index: crypto/sha2.h
diff --git a/crypto/sha2.h b/crypto/sha2.h
index 7e279d3e943837dfc72f15ca6bb55c339de529a3..a0addfb5f06a59c453507827d9a0dd08f4376062 100644
--- a/crypto/sha2.h
+++ b/crypto/sha2.h
@@ -28,6 +28,13 @@ CRYPTO_EXPORT void SHA256HashString(const base::StringPiece& str,
 // string.
 CRYPTO_EXPORT std::string SHA256HashString(const base::StringPiece& str);
 
+// Computes the SHA-256 hash of the |len| bytes in |data| and puts the hash
+// in |hash|. |hash| must be out_len bytes long.
+CRYPTO_EXPORT void SHA256HashBytes(const uint8_t* data,
+                                   size_t len,
+                                   void* output,
+                                   size_t out_len);
+
 }  // namespace crypto
 
 #endif  // CRYPTO_SHA2_H_