TaskScheduler [3/9] Task and Sequence

base/task_scheduler/task_traits.cc

Index: base/task_scheduler/task_traits.cc
diff --git a/base/task_scheduler/task_traits.cc b/base/task_scheduler/task_traits.cc
index be77ba9d278a78b2eb1780f7f380f8c05078e7d6..9e5be327383c20b760b7034e9240c3656dae64e3 100644
--- a/base/task_scheduler/task_traits.cc
+++ b/base/task_scheduler/task_traits.cc
@@ -4,6 +4,8 @@
 
 #include "base/task_scheduler/task_traits.h"
 
+#include <ostream>
+
 namespace base {
 
 // Do not rely on defaults hard-coded below beyond the guarantees described in
@@ -32,4 +34,18 @@ TaskTraits& TaskTraits::WithShutdownBehavior(
   return *this;
 }
 
+void PrintTo(const TaskPriority& task_priority, std::ostream* os) {
+  switch (task_priority) {
+    case TaskPriority::BACKGROUND:
+      *os << "BACKGROUND";
+      break;
+    case TaskPriority::USER_VISIBLE:
+      *os << "USER_VISIBLE";
+      break;
+    case TaskPriority::USER_BLOCKING:
+      *os << "USER_BLOCKING";
+      break;
+  }
+}
+
 }  // namespace base