Minifying renamer for classes, methods and instance variables.

lib/compiler/implementation/js_backend/backend.dart

Index: lib/compiler/implementation/js_backend/backend.dart
diff --git a/lib/compiler/implementation/js_backend/backend.dart b/lib/compiler/implementation/js_backend/backend.dart
index a196406cf33fb5ebae21bece76cbd1a90cda1a8c..a5d669361c6b4c10771b36888fa07af07919493e 100644
--- a/lib/compiler/implementation/js_backend/backend.dart
+++ b/lib/compiler/implementation/js_backend/backend.dart
@@ -667,10 +667,8 @@ class JavaScriptBackend extends Backend {
     return <CompilerTask>[builder, optimizer, generator, emitter];
   }
 
-  JavaScriptBackend(Compiler compiler,
-                    bool generateSourceMap,
-                    bool disableEval)
-      : namer = new Namer(compiler),
+  JavaScriptBackend(Compiler compiler, bool generateSourceMap, bool disableEval)
+      : namer = determineNamer(compiler),
         returnInfo = new Map<Element, ReturnInfo>(),
         invalidateAfterCodegen = new List<Element>(),
         interceptors = new Interceptors(compiler),
@@ -685,6 +683,12 @@ class JavaScriptBackend extends Backend {
     fieldTypes = new FieldTypesRegistry(this);
   }
 
+  static Namer determineNamer(Compiler compiler) {
+    // TODO(erikcorry): Use the MinifyNamer depending on
+    // compiler.enableMinification.
+    return new Namer(compiler);
+  }
+
   Element get cyclicThrowHelper {
     return compiler.findHelper(const SourceString("throwCyclicInit"));
   }