Javadoc tweaks to some implementation methods in HashMap.

Suggested by: mmastrac

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@1564 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/super/com/google/gwt/emul/java/util/HashMap.java b/user/super/com/google/gwt/emul/java/util/HashMap.java
index 9add4f3..fb49363 100644
--- a/user/super/com/google/gwt/emul/java/util/HashMap.java
+++ b/user/super/com/google/gwt/emul/java/util/HashMap.java
@@ -293,10 +293,10 @@
   }
 
   /**
-   * Returns the Map.Entry whose key is equal to <code>key</code>, provided
-   * that <code>key</code>'s hash code is Object equal to
-   * <code>hashCode</code>; or <code>null</code> if no such Map.Entry
-   * exists at the specified hashCode.
+   * Returns the Map.Entry whose key is Object equal to <code>key</code>,
+   * provided that <code>key</code>'s hash code is <code>hashCode</code>;
+   * or <code>null</code> if no such Map.Entry exists at the specified
+   * hashCode.
    */
   private native V getHashValue(Object key, int hashCode) /*-{
     var array = this.@java.util.HashMap::hashCodeMap[hashCode];
@@ -321,8 +321,9 @@
   }-*/;
   
   /**
-   * Returns true if the given key exists in the hashCodeMap, provided that
-   * <code>key</code>'s hash code is Object equal to <code>hashCode</code>.
+   * Returns true if the a key exists in the hashCodeMap that is Object equal to
+   * <code>key</code>, provided that <code>key</code>'s hash code is
+   * <code>hashCode</code>.
    */
   private native boolean hasHashValue(Object key, int hashCode) /*-{
     var array = this.@java.util.HashMap::hashCodeMap[hashCode];
@@ -396,7 +397,7 @@
   }-*/;
 
   /**
-   * Removes the pair whose key is equal to <code>key</code> from
+   * Removes the pair whose key is Object equal to <code>key</code> from
    * <code>hashCodeMap</code>, provided that <code>key</code>'s hash code
    * is <code>hashCode</code>. Returns the value that was associated with the
    * removed key, or null if no such key existed.