Move webrtc/{base => rtc_base}

webrtc/rtc_base/sha1.h

 /*
  * SHA-1 in C
  * By Steve Reid <sreid@sea-to-sky.net>
  * 100% Public Domain
  *
 */
 
 // Ported to C++, Google style, under namespace rtc.
 
-#ifndef WEBRTC_BASE_SHA1_H_
-#define WEBRTC_BASE_SHA1_H_
+#ifndef WEBRTC_RTC_BASE_SHA1_H_
+#define WEBRTC_RTC_BASE_SHA1_H_
 
 #include <stdint.h>
 #include <stdlib.h>
 
 namespace rtc {
 
 struct SHA1_CTX {
   uint32_t state[5];
   // TODO: Change bit count to uint64_t.
   uint32_t count[2];  // Bit count of input.
   uint8_t buffer[64];
 };
 
 #define SHA1_DIGEST_SIZE 20
 
 void SHA1Init(SHA1_CTX* context);
 void SHA1Update(SHA1_CTX* context, const uint8_t* data, size_t len);
 void SHA1Final(SHA1_CTX* context, uint8_t digest[SHA1_DIGEST_SIZE]);
 
-#endif  // WEBRTC_BASE_SHA1_H_
+}  // namespace rtc
 
-}  // namespace rtc
+#endif  // WEBRTC_RTC_BASE_SHA1_H_