Revert "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 b8023de8ef754db36cd5e5ceaf26a9ae76ffea15..9f79fcc96ecaba6ca020090308cef0e24c32fab0 100644
--- a/lib/compiler/implementation/js_backend/backend.dart
+++ b/lib/compiler/implementation/js_backend/backend.dart
@@ -669,8 +669,10 @@ class JavaScriptBackend extends Backend {
     return <CompilerTask>[builder, optimizer, generator, emitter];
   }
 
-  JavaScriptBackend(Compiler compiler, bool generateSourceMap, bool disableEval)
-      : namer = determineNamer(compiler),
+  JavaScriptBackend(Compiler compiler,
+                    bool generateSourceMap,
+                    bool disableEval)
+      : namer = new Namer(compiler),
         returnInfo = new Map<Element, ReturnInfo>(),
         invalidateAfterCodegen = new List<Element>(),
         interceptors = new Interceptors(compiler),
@@ -685,12 +687,6 @@ 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"));
   }