Issue 6073. Fixes for 'export'.

compiler/java/com/google/dart/compiler/ast/LibraryExport.java

Index: compiler/java/com/google/dart/compiler/ast/LibraryExport.java
diff --git a/compiler/java/com/google/dart/compiler/ast/LibraryExport.java b/compiler/java/com/google/dart/compiler/ast/LibraryExport.java
index ef1d6893b481752bb13cf8323ebc04f295ec8aac..81104f5c5c5037d025ff60a926537b8a949b6886 100644
--- a/compiler/java/com/google/dart/compiler/ast/LibraryExport.java
+++ b/compiler/java/com/google/dart/compiler/ast/LibraryExport.java
@@ -4,7 +4,6 @@
 
 package com.google.dart.compiler.ast;
 
-import com.google.common.base.Objects;
 import com.google.common.collect.Sets;
 
 import java.util.List;
@@ -24,21 +23,6 @@ public class LibraryExport {
     this.hideNames = createCombinatorsSet(combinators, false);
   }
 
-  @Override
-  public int hashCode() {
-    return Objects.hashCode(library);
-  }
-
-  @Override
-  public boolean equals(Object obj) {
-    if (obj instanceof LibraryExport) {
-      LibraryExport other = (LibraryExport) obj;
-      return Objects.equal(library, other.library) && Objects.equal(showNames, other.showNames)
-          && Objects.equal(hideNames, other.hideNames);
-    }
-    return false;
-  }
-
   public LibraryUnit getLibrary() {
     return library;
   }