weaved: Rename "chromeos" -> "brillo" in include paths and namespaces

libchromeos is transitioning to libbrillo and chromeos namespaces
and include directory is changing to brillo.

Bug: 24872993
Change-Id: Ic91fe342fb2c29ae915300d1ce9ae8473303238b
diff --git a/buffet/socket_stream.h b/buffet/socket_stream.h
index 968acb9..9ad4b84 100644
--- a/buffet/socket_stream.h
+++ b/buffet/socket_stream.h
@@ -9,14 +9,14 @@
 
 #include <base/callback.h>
 #include <base/macros.h>
-#include <chromeos/streams/stream.h>
+#include <brillo/streams/stream.h>
 #include <weave/stream.h>
 
 namespace buffet {
 
 class SocketStream : public weave::Stream {
  public:
-  explicit SocketStream(chromeos::StreamPtr ptr) : ptr_{std::move(ptr)} {}
+  explicit SocketStream(brillo::StreamPtr ptr) : ptr_{std::move(ptr)} {}
 
   ~SocketStream() override = default;
 
@@ -42,7 +42,7 @@
                          const weave::ErrorCallback& error_callback);
 
  private:
-  chromeos::StreamPtr ptr_;
+  brillo::StreamPtr ptr_;
   DISALLOW_COPY_AND_ASSIGN(SocketStream);
 };