1 files changed, 13 insertions, 25 deletions
diff --git a/chromium/components/arc/common/timer.mojom b/chromium/components/arc/common/timer.mojom
index 6efb88e8f8e..4d8760e3096 100644
--- a/chromium/components/arc/common/timer.mojom
+++ b/chromium/components/arc/common/timer.mojom
@@ -30,33 +30,21 @@ struct CreateTimerRequest {
   handle expiration_fd;
 };
 
-// Next method ID: 1
-interface Timer {
-  // Starts the timer to run at |absolute_expiration_time| in the future. If
-  // the timer is already running, it will be replaced. Notification will be
-  // performed as an 8-byte write to the associated expiration fd. Returns
-  // |ArcTimerResult::SUCCESS| if the timer can be started and
-  // |ArcTimerResult::FAILURE| otherwise.
-  Start@0(mojo_base.mojom.TimeTicks absolute_expiration_time)
-    => (ArcTimerResult result);
-};
-
-struct CreateTimerResponse {
-  // Type of the clock associated with the timer.
-  ClockId clock_id;
-
-  // Timer object that will set timers of type |clock_id|.
-  Timer timer;
-};
-
-// Next method ID: 1
+// Next method ID: 2
 interface TimerHost {
-  // Creates timers with the given arguments. Returns a null array on failure
-  // and an array of |Timer| objects of the same size as |arc_timer_requests|
-  // on success. Only one |Timer| per clock id is created and
-  // |arc_timer_requests| need to have unique clock ids for success.
+  // Creates timers with the given arguments. Returns |ArcTimerResult::SUCCESS|
+  // iff timers corresponding to all clocks in |timer_requests| are created.
   CreateTimers@0(array<CreateTimerRequest> timer_requests)
-    => (array<CreateTimerResponse>? response);
+    => (ArcTimerResult result);
+
+  // Starts the timer of type |clock_id| to run at |absolute_expiration_time| in
+  // the future. If the timer is already running, it will be replaced.
+  // Notification will be performed as an 8-byte write to the associated
+  // expiration fd. Returns |ArcTimerResult::SUCCESS| if the timer can be
+  // started and |ArcTimerResult::FAILURE| otherwise.
+  StartTimer@1(ClockId clock_id,
+               mojo_base.mojom.TimeTicks absolute_expiration_time)
+    => (ArcTimerResult result);
 };
 
 // Next method ID: 1