Use Event to render feedback animations.

remoting/android/java/src/org/chromium/chromoting/Event.java

Index: remoting/android/java/src/org/chromium/chromoting/Event.java
diff --git a/remoting/android/java/src/org/chromium/chromoting/Event.java b/remoting/android/java/src/org/chromium/chromoting/Event.java
index 9bc699051fa3e6c95359715f1aeec9e6b20a8efb..5a0e75be7b41729684fff45aac9aea03fa8fa962 100644
--- a/remoting/android/java/src/org/chromium/chromoting/Event.java
+++ b/remoting/android/java/src/org/chromium/chromoting/Event.java
@@ -67,7 +67,7 @@ public class Event<ParamT> {
      * A self removable {@link ParameterRunner}, uses a boolean {@link ParameterCallback} to decide
      * whether removes self from {@link Event} or not.
      */
-    private static class SelfRemovableParameterRunnable<ParamT>
+    private static final class SelfRemovableParameterRunnable<ParamT>

[Lambros, 2016/06/01 23:51:36]

Unrelated cleanup - move to a separate CL ?

[Hzj_jie, 2016/06/02 02:21:37]

Sure.

             implements ParameterRunnable<ParamT> {
         private final ParameterCallback<Boolean, ParamT> mCallback;
         private final Event<ParamT> mOwner;