Remove parseUriWithException() and URISyntaxException.

pkg/analysis_server/test/completion_test_support.dart

 // Copyright (c) 2014, 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.completion.support;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
-import 'package:analyzer/src/generated/java_core.dart';

[Brian Wilkerson, 2016/09/09 13:49:35]

If there were no references to anything imported from this library, why wasn't
this flagged as dead code?

 import 'package:unittest/unittest.dart';
 
 import 'domain_completion_test.dart';
 
 /**
  * A base class for classes containing completion tests.
  */
 class CompletionTestCase extends CompletionDomainHandlerTest {
   static const String CURSOR_MARKER = '!';
 
@@ skipping 133 matching lines @@
     }
     for (String result in validationStrings) {
       if (result.length < 3) {
         throw new StateError("Invalid location result: " + result);
       }
       String id = result.substring(0, 1);
       String sign = result.substring(1, 2);
       String value = result.substring(2);
       LocationSpec test = tests[id];
       if (test == null) {
-        throw new StateError(
-            "Invalid location result id: $id for: $result");
+        throw new StateError("Invalid location result id: $id for: $result");
       }
       test.source = modifiedSource;
       if (sign == '+') {
         test.positiveResults.add(value);
       } else if (sign == '-') {
         test.negativeResults.add(value);
       } else {
         String err = "Invalid location result sign: $sign for: $result";
         throw new StateError(err);
       }
@@ skipping 21 matching lines @@
         err.write("No results for tests:");
         for (String ch in badResults) {
           err..write(' ')..write(ch);
         }
       }
       throw new StateError(err.toString());
     }
     return tests.values.toList();
   }
 }