3 files changed, 3 insertions, 0 deletions
diff --git a/components/arc/common/ime.mojom b/components/arc/common/ime.mojom
index 9722ddf..e1b314e 100644
--- a/components/arc/common/ime.mojom
+++ b/components/arc/common/ime.mojom
@@ -5,6 +5,7 @@
 module arc;
 
 // Represents the type of text input field currently focused.
+[Extensible=True]
 enum TextInputType {
   NONE,
   TEXT,
diff --git a/components/arc/common/net.mojom b/components/arc/common/net.mojom
index 0835c73..01de04e 100644
--- a/components/arc/common/net.mojom
+++ b/components/arc/common/net.mojom
@@ -4,6 +4,7 @@
 
 module arc;
 
+[Extensible=True]
 enum NetworkResult {
   SUCCESS = 0,
   FAILURE = 1,
diff --git a/components/arc/common/power.mojom b/components/arc/common/power.mojom
index b1cfbae..22792e2 100644
--- a/components/arc/common/power.mojom
+++ b/components/arc/common/power.mojom
@@ -6,6 +6,7 @@ module arc;
 
 // Enumerates the types of wake lock the ARC instance can request from the
 // host.
+[Extensible=True]
 enum DisplayWakeLockType {
   // Does not allow the screen to dim, turn off, or lock; prevents
   // idle suspend.