nearby: snapshot of cl/304428753

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I0023ac6e40456fc4a8169c3173bcbff3b5ccc476

cpp/platform/api/settable_future.h

@@ -1,7 +1,7 @@
 #ifndef PLATFORM_API_SETTABLE_FUTURE_H_
 #define PLATFORM_API_SETTABLE_FUTURE_H_
 
-#include "platform/api/future.h"
+#include "platform/api/listenable_future.h"
 
 namespace location {
 namespace nearby {
@@ -10,11 +10,13 @@ namespace nearby {
 //
 // https://google.github.io/guava/releases/20.0/api/docs/com/google/common/util/concurrent/SettableFuture.html
 template <typename T>
-class SettableFuture : public Future<T> {
+class SettableFuture : public ListenableFuture<T> {
  public:
   ~SettableFuture() override {}
 
   virtual bool set(T value) = 0;
+
+  virtual bool setException(Exception exception) = 0;
 };
 
 }  // namespace nearby