Remove backends.

compiler/javatests/com/google/dart/compiler/backend/js/testFieldAccessExprOpt.dart

Index: compiler/javatests/com/google/dart/compiler/backend/js/testFieldAccessExprOpt.dart
diff --git a/compiler/javatests/com/google/dart/compiler/backend/js/testFieldAccessExprOpt.dart b/compiler/javatests/com/google/dart/compiler/backend/js/testFieldAccessExprOpt.dart
deleted file mode 100644
index a336a743a54d417c2e3b7688472b0cfdf0f4362c..0000000000000000000000000000000000000000
--- a/compiler/javatests/com/google/dart/compiler/backend/js/testFieldAccessExprOpt.dart
+++ /dev/null
@@ -1,109 +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.
-
-class A {
-  final int x;
-
-  const A() : this.x = 1;
-
-  static final A a = const A();
-}
-
-class WillNotOptimizeFieldAccess {
-  WillNotOptimizeFieldAccess(){}
-  int x;
-}
-
-class WillNotOptimizeFieldAccessSubclass extends WillNotOptimizeFieldAccess {
-  WillNotOptimizeFieldAccessSubclass() : super() {}
-  
-  int get x() {
-    return this.x;
-  }
-
-  void set x(v) {
-  }
-}
-
-class B extends A {
-    B() : super() { }
-
-    // can be inlined.
-    int get x_Getter_WithoutSideEffect() {
-        return x;
-    }
-
-    // cannot be inlined - getter has side effect.
-    int get x_Getter_WithSideEffect() {
-        return x + 1;
-    }
-
-    // cannot be inlined - underlying value is not a field.
-    int get x_Getter_WithSomeExpression() {
-        return foo() * 2;
-    }
-
-    static foo() { return 123; }
-
-    // cannot be inlined - underlying field is static.
-    A get A_Getter() {
-        return a;
-    }
-
-    // cannot be inlined - cycle.
-    int get X_Getter() {
-        return this.X_Getter;
-    }
-}
-
-class C {
-  C() { }
-
-  int x;
-  A a;
-
-  int get XGetter() {
-    return this.x;
-  }
-
-  int get AXGetter() {
-    return a.x;
-  }
-}
-
-class Main {
-  static void main() {
-
-    A _marker_0 = new A();
-
-    _marker_0.x = 1;
-
-    int x = _marker_0.x;
-
-    WillNotOptimizeFieldAccessSubclass _marker_1 = new WillNotOptimizeFieldAccessSubclass();
-    _marker_1.x = 1;
-    int y = _marker_1.x;
-
-    B b = new B();
-    int _marker_2 = b.x_Getter_WithoutSideEffect;
-
-    int _marker_3 = b.x_Getter_WithSideEffect;
-
-    int _marker_4 = b.x_Getter_WithSomeExpression;
-
-    A _marker_5 = b.A_Getter;
-
-    int _marker_6 = b.X_Getter;
-
-    C c = new C();
-
-    int _marker_7 = c.XGetter;
-
-    int _marker_8 = c.AXGetter;
-  }
-}
-
-main() {
-  Main.main();
-}