Reduce the log level of type invalidation messages when a compilation unit depends on an invalid unit.

Patch by: bobv
Review by: scott (IM)


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@5064 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/dev/core/src/com/google/gwt/dev/javac/CompilationUnitInvalidator.java b/dev/core/src/com/google/gwt/dev/javac/CompilationUnitInvalidator.java
index 0b86ed9..6b8d850 100644
--- a/dev/core/src/com/google/gwt/dev/javac/CompilationUnitInvalidator.java
+++ b/dev/core/src/com/google/gwt/dev/javac/CompilationUnitInvalidator.java
@@ -179,7 +179,7 @@
         for (String ref : currentlyValidUnitToCheck.getFileNameRefs()) {
           if (!knownValidRefs.contains(ref)) {
             if (branch == null) {
-              branch = logger.branch(TreeLogger.WARN, "Compilation unit '"
+              branch = logger.branch(TreeLogger.DEBUG, "Compilation unit '"
                   + currentlyValidUnitToCheck
                   + "' is removed due to invalid reference(s):");
               it.remove();
@@ -187,7 +187,7 @@
               currentlyValidUnitToCheck.setFresh();
               changed = true;
             }
-            branch.log(TreeLogger.WARN, ref);
+            branch.log(TreeLogger.DEBUG, ref);
           }
         }
       }