Remove typedefs.h from webrtc/ root (part 1)

webrtc/rtc_base/httpbase.cc

Index: webrtc/rtc_base/httpbase.cc
diff --git a/webrtc/rtc_base/httpbase.cc b/webrtc/rtc_base/httpbase.cc
index 64cb5d9f09c258fd8a188ba0f885fbb05955fdac..cb7bac1ec1f014e5418e1bcd79dadf6c460cdee9 100644
--- a/webrtc/rtc_base/httpbase.cc
+++ b/webrtc/rtc_base/httpbase.cc
@@ -537,7 +537,7 @@ bool HttpBase::DoReceiveLoop(HttpError* error) {
       case SR_EOS:
         // Clean close, with no error.
         read_error = 0;
-        FALLTHROUGH();  // Fall through to HandleStreamClose.
+        RTC_FALLTHROUGH();  // Fall through to HandleStreamClose.
       case SR_ERROR:
         *error = HandleStreamClose(read_error);
         return true;