Merge libv1.

editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/analysis/WaitForIdle.java

Index: editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/analysis/WaitForIdle.java
diff --git a/editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/analysis/WaitForIdle.java b/editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/analysis/WaitForIdle.java
index 74192471b5b0c27e3ae39a375e5099d1dc0d912c..e7eb6327ce0cf3893f19c203f60360740824837c 100644
--- a/editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/analysis/WaitForIdle.java
+++ b/editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/analysis/WaitForIdle.java
@@ -13,7 +13,7 @@
  */
 package com.google.dart.tools.core.analysis;
 
-final class WaitForIdle implements IdleListener {
+final class WaitForIdle implements TaskListener {
   private final Object lock = new Object();
   private final TaskQueue queue;
   private int idleCount;
@@ -56,6 +56,11 @@ final class WaitForIdle implements IdleListener {
     }
   }
 
+  @Override
+  public void processing(int toBeProcessed) {
+    // ignored
+  }
+
   /**
    * Wait up to the specified number of milliseconds for the receiver to have the specified idle
    * count. If the specified number is less than or equal to zero, then this method returns