Remove implicit --optimize from testing dartc component in release mode

tools/testing/dart/test_suite.dart

 // Copyright (c) 2012, 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.
 
 #library("test_suite");
 
 #import("dart:io");
 #import("status_file_parser.dart");
 #import("test_runner.dart");
 #import("multitest.dart");
@@ skipping 430 matching lines @@
           '$filePrefix$dartDir/client/testing/unittest/test_controller.js',
           scriptType,
           filePrefix + scriptPath));
       htmlTest.closeSync();
 
       List<String> compilerArgs = TestUtils.standardOptions(configuration);
       String compilerExecutable = TestUtils.compilerPath(configuration);
       switch (component) {
         case 'chromium':
           compilerArgs.addAll(['--work', tempDir.path]);
-          if (configuration['mode'] ==  'release') {
-            compilerArgs.add('--optimize');
-          }
           compilerArgs.addAll(vmOptions);
           compilerArgs.add('--ignore-unrecognized-flags');
+          // TODO(zundel): remove assumption of generated code from dartc
           compilerArgs.add('--out');
           compilerArgs.add(compiledDartWrapperFilename);
           compilerArgs.add(dartWrapperFilename);
           // TODO(whesse): Add --fatal-type-errors if needed.
           break;
         case 'frogium':
         case 'webdriver':
           String libdir = configuration['froglib'];
           if (libdir == '') {
             libdir = '$dartDir/frog/lib';
@@ skipping 537 matching lines @@
     List args = ["--ignore-unrecognized-flags"];
     if (configuration["checked"]) {
       args.add('--enable_asserts');
       args.add("--enable_type_checks");
     }
     if (configuration["component"] == "leg") {
       args.add("--verbose");
       args.add("--enable_leg");
       args.add("--leg_only");
     }
-    if (configuration["component"] == "dartc") {
-      if (configuration["mode"] == "release") {
-        args.add("--optimize");
-      }
-    }
     return args;
   }
 }
 
 class SummaryReport {
   static int total = 0;
   static int skipped = 0;
   static int noCrash = 0;
   static int pass = 0;
   static int failOk = 0;
@@ skipping 35 matching lines @@
  * $noCrash tests are expected to be flaky but not crash
  * $pass tests are expected to pass
  * $failOk tests are expected to fail that we won't fix
  * $fail tests are expected to fail that we should fix
  * $crash tests are expected to crash that we should fix
  * $timeout tests are allowed to timeout
 """;
     print(report);
    }
 }