Replace uses of uint8 with uint8_t.

content/child/webcrypto/webcrypto_util.h

Index: content/child/webcrypto/webcrypto_util.h
diff --git a/content/child/webcrypto/webcrypto_util.h b/content/child/webcrypto/webcrypto_util.h
index b5eb231bf4fed34d28387f2c0d09c59691167790..6fd75ab0eaa80fe1ffa501e1d2835197d7ab8377 100644
--- a/content/child/webcrypto/webcrypto_util.h
+++ b/content/child/webcrypto/webcrypto_util.h
@@ -23,8 +23,9 @@ class Status;
 // Returns a pointer to the start of |data|, or NULL if it is empty. This is a
 // convenience function for getting the pointer, and should not be used beyond
 // the expected lifetime of |data|.
-CONTENT_EXPORT const uint8* Uint8VectorStart(const std::vector<uint8>& data);
-CONTENT_EXPORT uint8* Uint8VectorStart(std::vector<uint8>* data);
+CONTENT_EXPORT const uint8_t* Uint8VectorStart(
+    const std::vector<uint8_t>& data);
+CONTENT_EXPORT uint8_t* Uint8VectorStart(std::vector<uint8_t>* data);
 
 // This function decodes unpadded 'base64url' encoded data, as described in
 // RFC4648 (http://www.ietf.org/rfc/rfc4648.txt) Section 5.
@@ -35,7 +36,8 @@ CONTENT_EXPORT bool Base64DecodeUrlSafe(const std::string& input,
 // Returns an unpadded 'base64url' encoding of the input data, the opposite of
 // Base64DecodeUrlSafe() above.
 CONTENT_EXPORT std::string Base64EncodeUrlSafe(const base::StringPiece& input);
-CONTENT_EXPORT std::string Base64EncodeUrlSafe(const std::vector<uint8>& input);
+CONTENT_EXPORT std::string Base64EncodeUrlSafe(
+    const std::vector<uint8_t>& input);
 
 // Composes a Web Crypto usage mask from an array of JWK key_ops values.
 CONTENT_EXPORT Status GetWebCryptoUsagesFromJwkKeyOps(