Update from https://crrev.com/318214

third_party/brotli/dec/decode.h

Index: third_party/brotli/dec/decode.h
diff --git a/third_party/brotli/dec/decode.h b/third_party/brotli/dec/decode.h
new file mode 100644
index 0000000000000000000000000000000000000000..d0490a2706cbb431982da8842d3970e3b464e792
--- /dev/null
+++ b/third_party/brotli/dec/decode.h
@@ -0,0 +1,55 @@
+/* Copyright 2013 Google Inc. All Rights Reserved.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+   API for Brotli decompression
+*/
+
+#ifndef BROTLI_DEC_DECODE_H_
+#define BROTLI_DEC_DECODE_H_
+
+#include "./streams.h"
+#include "./types.h"
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+/* Sets *decoded_size to the decompressed size of the given encoded stream. */
+/* This function only works if the encoded buffer has a single meta block, */
+/* or if it has two meta-blocks, where the first is uncompressed and the */
+/* second is empty. */
+/* Returns 1 on success, 0 on failure. */
+int BrotliDecompressedSize(size_t encoded_size,
+                           const uint8_t* encoded_buffer,
+                           size_t* decoded_size);
+
+/* Decompresses the data in encoded_buffer into decoded_buffer, and sets */
+/* *decoded_size to the decompressed length. */
+/* Returns 0 if there was either a bit stream error or memory allocation */
+/* error, and 1 otherwise. */
+/* If decoded size is zero, returns 1 and keeps decoded_buffer unchanged. */
+int BrotliDecompressBuffer(size_t encoded_size,
+                           const uint8_t* encoded_buffer,
+                           size_t* decoded_size,
+                           uint8_t* decoded_buffer);
+
+/* Same as above, but uses the specified input and output callbacks instead */
+/* of reading from and writing to pre-allocated memory buffers. */
+int BrotliDecompress(BrotliInput input, BrotliOutput output);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}    /* extern "C" */
+#endif
+
+#endif  /* BROTLI_DEC_DECODE_H_ */