Update link to super call guideline.

pkg/analyzer/lib/src/task/strong/info.dart

 // Copyright (c) 2015, 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.
 
 /// Defines static information collected by the type checker and used later by
 /// emitters to generate code.
 // TODO(jmesserly): this was ported from package:dev_compiler, and needs to be
 // refactored to fit into analyzer.
 library analyzer.src.task.strong.info;
 
@@ skipping 416 matching lines @@
 ///       }
 ///     }
 ///
 /// The order will be Derived.1, Base.1, Derived.2, Base.2, Derived.3; this
 /// ordering preserves the invariant that code can't observe uninitialized
 /// state, however it results in super constructor body not being run
 /// immediately after super initializers. Normally this isn't observable, but it
 /// could be if initializers have side effects.
 ///
 /// Better to have `super` at the end, as required by the Dart style guide:
-/// <http://goo.gl/q1T4BB>
+/// <https://goo.gl/EY6hDP>
 ///
 /// For now this is the only pattern we support.
 class InvalidSuperInvocation extends StaticError {
   InvalidSuperInvocation(SuperConstructorInvocation node) : super(node);
 
   @override
   String get message => "super call must be last in an initializer "
-      "list (see http://goo.gl/q1T4BB): {0}";
+      "list (see https://goo.gl/EY6hDP): {0}";
 
   @override
   String get name => 'STRONG_MODE_INVALID_SUPER_INVOCATION';
 }
 
 class InvalidVariableDeclaration extends StaticError {
   final DartType expectedType;
 
   InvalidVariableDeclaration(
       TypeSystem rules, AstNode declaration, this.expectedType)
@@ skipping 122 matching lines @@
 // TODO(vsm,leafp): Remove this.
 class UninferredClosure extends DownCast {
   UninferredClosure(TypeSystem rules, FunctionExpression expression, Cast cast)
       : super._internal(rules, expression, cast);
 
   @override
   String get name => 'STRONG_MODE_UNINFERRED_CLOSURE';
 
   toErrorCode() => new StaticTypeWarningCode(name, message);
 }