base: Do not allow MessagePumpObservers to consume events.

chrome/browser/chromeos/events/event_rewriter.cc

Index: chrome/browser/chromeos/events/event_rewriter.cc
diff --git a/chrome/browser/chromeos/events/event_rewriter.cc b/chrome/browser/chromeos/events/event_rewriter.cc
index 5b9dd5c33055cfc833dd9141f2a49273b926ef8d..28ea26cbf689f97b9dbac11863aa6fd1702e0384 100644
--- a/chrome/browser/chromeos/events/event_rewriter.cc
+++ b/chrome/browser/chromeos/events/event_rewriter.cc
@@ -193,8 +193,7 @@ void EventRewriter::DeviceKeyPressedOrReleased(int device_id) {
   last_device_id_ = device_id;
 }
 
-base::EventStatus EventRewriter::WillProcessEvent(
-    const base::NativeEvent& event) {
+void EventRewriter::WillProcessEvent(const base::NativeEvent& event) {
   XEvent* xevent = event;
   if (xevent->type == KeyPress || xevent->type == KeyRelease) {
     Rewrite(xevent);
@@ -212,7 +211,6 @@ base::EventStatus EventRewriter::WillProcessEvent(
       RefreshKeycodes();
     }
   }
-  return base::EVENT_CONTINUE;
 }
 
 void EventRewriter::DidProcessEvent(const base::NativeEvent& event) {