Remove backends.

compiler/java/com/google/dart/compiler/backend/js/DartMangler.java

Index: compiler/java/com/google/dart/compiler/backend/js/DartMangler.java
diff --git a/compiler/java/com/google/dart/compiler/backend/js/DartMangler.java b/compiler/java/com/google/dart/compiler/backend/js/DartMangler.java
deleted file mode 100644
index 3848cd9fa32088f4f601478fffa807d64a5136d9..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/backend/js/DartMangler.java
+++ /dev/null
@@ -1,143 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-package com.google.dart.compiler.backend.js;
-
-import com.google.dart.compiler.parser.Token;
-import com.google.dart.compiler.resolver.ClassElement;
-import com.google.dart.compiler.resolver.Element;
-import com.google.dart.compiler.resolver.FieldElement;
-import com.google.dart.compiler.resolver.LibraryElement;
-import com.google.dart.compiler.resolver.MethodElement;
-
-/**
- * Mangles dart identifiers so that they don't conflict with JavaScript identifiers.
- * This complements the JsScope infrastructure. The JsScope infrastructure deals with obfuscatable
- * identifiers, whereas the DartMangler deals with non-obfuscatable identifiers.
- */
-public interface DartMangler {
-  public static final String NEGATE_OPERATOR_NAME = "negate";
-
-  /**
-   * Mangles the given className, so that it does not clash with any global variable or other
-   * mangled identifiers.
-   * @return a String that identifies the class, and does not clash with any global variable.
-   */
-  public String mangleClassName(ClassElement classElement);
-  @Deprecated
-  public String mangleClassNameHack(LibraryElement library, String str);
-
-  /**
-   * Mangles the given constructor, so that it does not clash with any built-in JS property,
-   * initializers, factories or other mangled fields.<br/>
-   * The given LibraryElement is used if the constructor is library private.
-   * @return a String that identifies the constructor, and does not clash with any global variable.
-   */
-  public String mangleConstructor(String constructorName, LibraryElement currentLibrary);
-
-  /**
-   * Returns a mangled identifier for the given method.
-   */
-  public String mangleNativeMethod(MethodElement methodElement);
-
-  /**
-   * Mangles the given initializer, so that it does not clash with any built-in JS property,
-   * factories, constructors or other mangled fields.<br/>
-   * The given LibraryElement is used if the initializer is library private.
-   * @return a String that identifies the initializer, and does not clash with any global variable.
-   */
-  public String createInitializerSyntax(String constructorName, LibraryElement currentLibrary);
-
-  /**
-   * Mangles the given factory, so that it does not clash with any built-in JS property,
-   * constructors, initializers or other mangled fields.<br/>
-   * Note that factories may be unrelated to the containing class. A class <code>A</code> can
-   * have a factory method returning an instance of class <code>B</code>. In this case
-   * <code>className</code> equals <code>B</code>.<br>
-   * The given LibraryElement is used if the factory is library private.
-   *
-   * @return a String that identifies the factory, and does not clash with any global variable.
-   */
-  public String createFactorySyntax(String className, String constructorName,
-                                    LibraryElement currentlibrary);
-
-
-  /**
-   * <p>Returns a name for the given closure. The returned name does not
-   * clash with any global variable or other mangled identifiers.</p>
-   * The closure is identified by the closureIdentifier. Manglers are allowed to discard the
-   * closureName completely.
-   *
-   * @param closureIdentifier must be a valid identifier of the form [a-zA-Z]+[0-9]*
-   * @param closureName the closures short readable name. May be null.
-   * @return a String that identifies the hoisted closure, and does not clash with any global
-   * variable.
-   */
-  public String createHoistedFunctionName(Element holder,
-                                          Element classMemberElement,
-                                          String closureIdentifier,
-                                          String closureName);
-
-  /**
-   * Mangles the given field, so that it does not clash with any built-in JS property or other
-   * mangled fields or methods.<br/>
-   * The given LibraryElement is used if the field is library private.
-   * @return a String that identifies the member, and does not clash with built-in JS properties.
-   */
-  public String mangleField(FieldElement field, LibraryElement currentLibrary);
-
-  /**
-   * Mangles the given method, so that it does not clash with any built-in JS property or other
-   * mangled fields or methods.<br/>
-   * The given LibraryElement is used if the method is library private.
-   * @return a String that identifies the member, and does not clash with built-in JS properties.
-   */
-  public String mangleMethod(MethodElement method, LibraryElement currentLibrary);
-  public String mangleMethod(String methodName, LibraryElement currentLibrary);
-
-  /**
-   * Mangles the given method to its $named form.
-   * @return a String that identifies the named form of the member.
-   */
-  public String mangleNamedMethod(MethodElement method, LibraryElement currentLibrary);
-  public String mangleNamedMethod(String methodName, LibraryElement currentLibrary);
-
-  /**
-   * Mangles the given method to its _$lookupRTT form.
-   * @return a String that identifies the named form of the member.
-   */
-  public String mangleRttLookupMethod(MethodElement method, LibraryElement currentLibrary);
-  public String mangleRttLookupMethod(String methodName, LibraryElement currentLibrary);
-
-  /**
-   * Mangles the given method, so that it does not clash with any built-in JS property or other
-   * mangled fields or methods. This method is different than mangleMethod, as it returns
-   * the fully qualified mangled name.
-   * @return a String that identifies the entry, and does not clash with built-in JS properties.
-   */
-  public String mangleEntryPoint(MethodElement method, LibraryElement library);
-
-  /**
-   * @return the JavaScript property identifier for the given operation.
-   */
-  public String createOperatorSyntax(Token token);
-
-  /**
-   * @return the JavaScript property identifier for the given operation.
-   */
-  public String createOperatorSyntax(String operation);
-
-  /**
-   * @return the JavaScript getter property for the given member.
-   */
-  public String createGetterSyntax(String member, LibraryElement currentLibrary);
-  public String createGetterSyntax(FieldElement member, LibraryElement currentLibrary);
-  public String createGetterSyntax(MethodElement member, LibraryElement currentLibrary);
-
-  /**
-   * @return the JavaScript setter property for the given member.
-   */
-  public String createSetterSyntax(String member, LibraryElement currentLibrary);
-  public String createSetterSyntax(FieldElement member, LibraryElement currentLibrary);
-}