Revert of Mojo: Armed Watchers

mojo/android/javatests/src/org/chromium/mojo/system/impl/WatcherImplTest.java

Index: mojo/android/javatests/src/org/chromium/mojo/system/impl/WatcherImplTest.java
diff --git a/mojo/android/javatests/src/org/chromium/mojo/system/impl/WatcherImplTest.java b/mojo/android/javatests/src/org/chromium/mojo/system/impl/WatcherImplTest.java
index e14adb1160a9b580ba80d253785480063918689e..6a99fe155f47e0e5b1f52403d04275d183a85405 100644
--- a/mojo/android/javatests/src/org/chromium/mojo/system/impl/WatcherImplTest.java
+++ b/mojo/android/javatests/src/org/chromium/mojo/system/impl/WatcherImplTest.java
@@ -68,17 +68,6 @@
 
     private static class WatcherResult implements Callback {
         private int mResult = Integer.MIN_VALUE;
-        private MessagePipeHandle mReadPipe;
-
-        /**
-         * @param readPipe A MessagePipeHandle to read from when onResult triggers success.
-         */
-        public WatcherResult(MessagePipeHandle readPipe) {
-            mReadPipe = readPipe;
-        }
-        public WatcherResult() {
-            this(null);
-        }
 
         /**
          * @see Callback#onResult(int)
@@ -86,11 +75,6 @@
         @Override
         public void onResult(int result) {
             this.mResult = result;
-
-            if (result == MojoResult.OK && mReadPipe != null) {
-                mReadPipe.readMessage(
-                        null, 0, MessagePipeHandle.ReadFlags.none().setMayDiscard(true));
-            }
         }
 
         /**
@@ -109,7 +93,7 @@
         // Checking a correct result.
         Pair<MessagePipeHandle, MessagePipeHandle> handles = mCore.createMessagePipe(null);
         addHandlePairToClose(handles);
-        final WatcherResult watcherResult = new WatcherResult(handles.first);
+        final WatcherResult watcherResult = new WatcherResult();
         assertEquals(Integer.MIN_VALUE, watcherResult.getResult());
 
         mWatcher.start(handles.first, Core.HandleSignals.READABLE, watcherResult);