Move the wire protocol support into the public API

pkg/analysis_server/lib/src/computer/computer_outline.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 computer.outline;
 
+import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analysis_server/src/collections.dart';
-import 'package:analysis_server/src/protocol.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart' as engine;
 import 'package:analyzer/src/generated/source.dart';
 
 /**
  * A computer for [CompilationUnit] outline.
  */
 class DartUnitOutlineComputer {
   final String file;
   final CompilationUnit unit;
@@ skipping 320 matching lines @@
   }
 
   Outline _newUnitOutline(List<Outline> unitContents) {
     Element element = new Element(
         ElementKind.COMPILATION_UNIT, '<unit>', Element.makeFlags(),
         location: _getLocationNode(unit));
     return new Outline(element, unit.offset, unit.length,
         children: nullIfEmpty(unitContents));
   }
 
-  static String _getTypeParametersStr(TypeParameterList parameters) {
-    if (parameters == null) {
-      return null;
-    }
-    return parameters.toSource();
-  }
-
   Outline _newVariableOutline(String typeName, ElementKind kind,
       VariableDeclaration variable, bool isStatic) {
     SimpleIdentifier nameNode = variable.name;
     String name = nameNode.name;
     _SourceRegion sourceRegion = _getSourceRegion(variable);
     Element element = new Element(
         kind,
         name,
         Element.makeFlags(
             isPrivate: Identifier.isPrivateName(name),
             isDeprecated: _isDeprecated(variable),
             isStatic: isStatic,
             isConst: variable.isConst,
             isFinal: variable.isFinal),
         location: _getLocationNode(nameNode),
         returnType: typeName);
     Outline outline =
         new Outline(element, sourceRegion.offset, sourceRegion.length);
     return outline;
   }
 
+  static String _getTypeParametersStr(TypeParameterList parameters) {
+    if (parameters == null) {
+      return null;
+    }
+    return parameters.toSource();
+  }
+
   /**
    * Returns `true` if the given [element] is not `null` and deprecated.
    */
   static bool _isDeprecated(Declaration declaration) {
     engine.Element element = declaration.element;
     return element != null && element.isDeprecated;
   }
 }
 
 /**
@@ skipping 12 matching lines @@
 }
 
 /**
  * A range of characters.
  */
 class _SourceRegion {
   final int length;
   final int offset;
   _SourceRegion(this.offset, this.length);
 }