Fixes Issue #1096.
Adds MultiWordSuggestOracle.clear()

Patch by: rdayal
Review by: knorton



git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@1279 8db76d5a-ed1c-0410-87a9-c151d255dfc7

user/src/com/google/gwt/user/client/ui/MultiWordSuggestOracle.java

diff --git a/user/src/com/google/gwt/user/client/ui/MultiWordSuggestOracle.java b/user/src/com/google/gwt/user/client/ui/MultiWordSuggestOracle.java
index 19185a2..4453854 100644
--- a/user/src/com/google/gwt/user/client/ui/MultiWordSuggestOracle.java
+++ b/user/src/com/google/gwt/user/client/ui/MultiWordSuggestOracle.java
@@ -191,6 +191,15 @@
     }
   }
 
+  /**
+   * Removes all of the suggestions from the oracle.
+   */
+  public void clear() {
+    tree.clear();
+    toCandidates.clear();
+    toRealSuggestions.clear();
+  }
+
   public boolean isDisplayStringHTML() {
     return true;
   }
@@ -329,8 +338,7 @@
 
   /**
    * Creates a set of potential candidates that match the given query.
-   * 
-   * @param limit number of candidates to return
+   *
    * @param query query string
    * @return possible candidates
    */