Move webrtc/{base => rtc_base}

webrtc/rtc_base/deprecation.h

Index: webrtc/rtc_base/deprecation.h
diff --git a/webrtc/base/deprecation.h b/webrtc/rtc_base/deprecation.h
similarity index 93%
copy from webrtc/base/deprecation.h
copy to webrtc/rtc_base/deprecation.h
index ce950f9b525cd05b8a5c6c756a4581cd0251905a..e02629a1a91f6a75cf3451034db8bc7787c58276 100644
--- a/webrtc/base/deprecation.h
+++ b/webrtc/rtc_base/deprecation.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef WEBRTC_BASE_DEPRECATION_H_
-#define WEBRTC_BASE_DEPRECATION_H_
+#ifndef WEBRTC_RTC_BASE_DEPRECATION_H_
+#define WEBRTC_RTC_BASE_DEPRECATION_H_
 
 // Annotate the declarations of deprecated functions with this to cause a
 // compiler warning when they're used. Like so:
@@ -42,4 +42,4 @@
 #define RTC_DEPRECATED
 #endif
 
-#endif  // WEBRTC_BASE_DEPRECATION_H_
+#endif  // WEBRTC_RTC_BASE_DEPRECATION_H_