Translate private Java members to private Dart members.

editor/util/plugins/com.google.dart.java2dart/src/com/google/dart/java2dart/Context.java

 /*
  * Copyright (c) 2012, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  * 
  * http://www.eclipse.org/legal/epl-v10.html
  * 
  * Unless required by applicable law or agreed to in writing, software distributed under the License
  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
@@ skipping 577 matching lines @@
           identifier.setToken(token(TokenType.IDENTIFIER, newName));
         }
       }
     }
     // run processors
     {
       replaceInnerClassReferences(dartUniverse);
       unwrapVarArgIfAlreadyArray(dartUniverse);
       ensureFieldInitializers(dartUniverse);
       dontUseThisInFieldInitializers(dartUniverse);
+      renameAnonymousClassDeclarations();
+      renamePrivateClassMembers();
       ensureUniqueClassMemberNames(dartUniverse);
-      renameAnonymousClassDeclarations();
       applyLocalVariableSemanticChanges(dartUniverse);
       new ConstructorSemanticProcessor(this).process(dartUniverse);
       renameConstructors(dartUniverse);
       insertEnclosingTypeForInstanceCreationArguments(dartUniverse);
     }
     // done
     return dartUniverse;
   }
 
   /**
@@ skipping 362 matching lines @@
         if ("<empty>".equals(name)) {
           name = null;
         }
         renameConstructor(node, name);
         // continue
         return super.visitConstructorDeclaration(node);
       }
     });
   }
 
+  private void renamePrivateClassMembers() {
+    for (ClassMember member : privateClassMembers) {
+      if (member instanceof FieldDeclaration) {
+        FieldDeclaration fieldDeclaration = (FieldDeclaration) member;
+        NodeList<VariableDeclaration> variables = fieldDeclaration.getFields().getVariables();
+        for (VariableDeclaration field : variables) {
+          SimpleIdentifier nameNode = field.getName();
+          String name = nameNode.getName();
+          renameIdentifier(nameNode, "_" + name);
+        }
+      }
+      if (member instanceof MethodDeclaration) {
+        MethodDeclaration methodDeclaration = (MethodDeclaration) member;
+        SimpleIdentifier nameNode = methodDeclaration.getName();
+        String name = nameNode.getName();
+        renameIdentifier(nameNode, "_" + name);
+      }
+    }
+  }
+
   private void replaceInnerClassReferences(CompilationUnit unit) {
     for (SimpleIdentifier identifier : innerClassNames) {
       renameIdentifier(identifier, identifier.getName());
     }
   }
 
   /**
    * Translate {@link #sourceFiles} into Dart AST in {@link #dartUnits}.
    */
   private void translateSyntax() throws Exception {
@@ skipping 58 matching lines @@
                   }
                 }
               }
             }
           }
         }
       }
     });
   }
 }