[dart2dart] Rename --cut-declaration-types flag to --force-cut-declaration-types

lib/compiler/implementation/dart_backend/backend.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.
 
 const bool REMOVE_ASSERTS = false;
 
 class ElementAst {
   final Node ast;
   final TreeElements treeElements;
 
@@ skipping 81 matching lines @@
       }
       return new Block(rewriteNodeList(statements, builder.toLink()));
     }
 
     return rewriteFunctionExpression(node, rewriteBody(node.body));
   }
 }
 
 class DartBackend extends Backend {
   final List<CompilerTask> tasks;
-  final bool cutDeclarationTypes;
+  final bool forceCutDeclarationTypes;
   // TODO(antonm): make available from command-line options.
   final bool outputAst = false;
 
   Map<Element, TreeElements> get resolvedElements =>
       compiler.enqueuer.resolution.resolvedElements;
 
   /**
    * Tells whether it is safe to remove type declarations from variables,
    * functions parameters. It becomes not safe if:
    * 1) TypeError is used somewhere in the code,
@@ skipping 52 matching lines @@
         }
         // Check all supertypes.
         if (element.allSupertypes !== null) {
           workQueue.addAll(element.allSupertypes.toList());
         }
       }
     }
     return true;
   }
 
-  DartBackend(Compiler compiler, this.cutDeclarationTypes)
+  DartBackend(Compiler compiler, this.forceCutDeclarationTypes)
       : tasks = <CompilerTask>[],
         super(compiler);
 
   void enqueueHelpers(Enqueuer world) {
     // Right now resolver doesn't always resolve interfaces needed
     // for literals, so force them. TODO(antonm): fix in the resolver.
     final LITERAL_TYPE_NAMES = const [
       'Map', 'List', 'num', 'int', 'double', 'bool'
     ];
     final coreLibrary = compiler.coreLibrary;
@@ skipping 127 matching lines @@
     makePlaceholders(element) {
       collector.collect(element);
       if (element is ClassElement) {
         classMembers[element].forEach(makePlaceholders);
       }
     }
     topLevelElements.forEach(makePlaceholders);
     // Create renames.
     Map<Node, String> renames = new Map<Node, String>();
     Map<LibraryElement, String> imports = new Map<LibraryElement, String>();
-    bool shouldCutDeclarationTypes = cutDeclarationTypes
+    bool shouldCutDeclarationTypes = forceCutDeclarationTypes
         || (compiler.enableMinification
             && isSafeToRemoveTypeDeclarations(classMembers));
     renamePlaceholders(
         compiler, collector, renames, imports,
         fixedMemberNames, shouldCutDeclarationTypes);
 
     // Sort elements.
     final sortedTopLevels = sortElements(topLevelElements);
     final sortedClassMembers = new Map<ClassElement, List<Element>>();
     classMembers.forEach((classElement, members) {
@@ skipping 99 matching lines @@
 }
 
 compareElements(e0, e1) {
   int result = compareBy((e) => e.getLibrary().uri.toString())(e0, e1);
   if (result != 0) return result;
   return compareBy((e) => e.position().charOffset)(e0, e1);
 }
 
 List<Element> sortElements(Collection<Element> elements) =>
     sorted(elements, compareElements);