Remove the (previosly deprecated) Pass methods

webrtc/base/buffer.h

Index: webrtc/base/buffer.h
diff --git a/webrtc/base/buffer.h b/webrtc/base/buffer.h
index e9c47ee84e02168b6df52bb5c071613c1c9a9067..681348d91048a16c8122339c41a1315e18528a0a 100644
--- a/webrtc/base/buffer.h
+++ b/webrtc/base/buffer.h
@@ -18,7 +18,6 @@
 #include "webrtc/base/array_view.h"
 #include "webrtc/base/checks.h"
 #include "webrtc/base/constructormagic.h"
-#include "webrtc/base/deprecation.h"
 
 namespace rtc {
 
@@ -229,15 +228,6 @@ class Buffer {
     RTC_DCHECK(IsConsistent());
   }
 
-  // b.Pass() does the same thing as std::move(b).
-  // Deprecated; remove in March 2016 (bug 5373).
-  RTC_DEPRECATED Buffer&& Pass() { return DEPRECATED_Pass(); }
-
-  Buffer&& DEPRECATED_Pass() {
-    RTC_DCHECK(IsConsistent());
-    return std::move(*this);
-  }
-
   // Resets the buffer to zero size without altering capacity. Works even if the
   // buffer has been moved from.
   void Clear() {