Remove code supporting incremental compilation in dart2js

pkg/compiler/lib/src/js_emitter/full_emitter/setup_program_builder.dart

 // Copyright (c) 2013, 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.
 
 part of dart2js.js_emitter.full_emitter;
 
 // TODO(ahe): Share these with js_helper.dart.
 const FUNCTION_INDEX = 0;
 const NAME_INDEX = 1;
 const CALL_NAME_INDEX = 2;
@@ skipping 93 matching lines @@
     'typeInformation': typeInformationAccess,
     'globalFunctions': globalFunctionsAccess,
     'enabledInvokeOn': backend.hasInvokeOnSupport,
     'interceptedNames': interceptedNamesAccess,
     'interceptedNamesSet': emitter.generateInterceptedNamesSet(),
     'notInCspMode': !compiler.options.useContentSecurityPolicy,
     'inCspMode': compiler.options.useContentSecurityPolicy,
     'deferredAction': namer.deferredAction,
     'hasIsolateSupport': program.hasIsolateSupport,
     'fieldNamesProperty': js.string(Emitter.FIELD_NAMES_PROPERTY_NAME),
-    'hasIncrementalSupport': compiler.options.hasIncrementalSupport,
-    'incrementalHelper': namer.accessIncrementalHelper,
     'createNewIsolateFunction': createNewIsolateFunctionAccess,
     'isolateName': namer.isolateName,
     'classIdExtractor': classIdExtractorAccess,
     'classFieldsExtractor': classFieldsExtractorAccess,
     'instanceFromClassId': instanceFromClassIdAccess,
     'initializeEmptyInstance': initializeEmptyInstanceAccess,
     'allClasses': allClassesAccess,
     'debugFastObjects': DEBUG_FAST_OBJECTS,
     'isTreeShakingDisabled': backend.isTreeShakingDisabled,
     'precompiled': precompiledAccess,
@@ skipping 123 matching lines @@
       }
       if (#hasIsolateSupport) {
         str += name + "." + #fieldNamesProperty + "=[" + fieldNames
                + "];\\n";
       }
       str += accessors.join("");
 
       return str;
     }
 
-    if (#hasIncrementalSupport) {
-      #incrementalHelper.defineClass = defineClass;
-    }
-
     if (#hasIsolateSupport) {
       #createNewIsolateFunction = function() { return new #isolateName(); };
 
       #classIdExtractor = function(o) { return o.constructor.name; };
 
       #classFieldsExtractor = function(o) {
         var fieldNames = o.constructor.#fieldNamesProperty;
         if (!fieldNames) return [];  // TODO(floitsch): do something else here.
         var result = [];
         result.length = fieldNames.length;
@@ skipping 38 matching lines @@
           }
           // Use a function for `true` here, as functions are stored in the
           // hidden class and not as properties in the object.
           object[#operatorIsPrefix + constructor.name] = constructor;
           object.constructor = constructor;
           constructor.prototype = object;
           return object;
         };
       }();
 
-     if (#hasIncrementalSupport) {
-       #incrementalHelper.inheritFrom = inheritFrom;
-     }
-
     // Class descriptions are collected in a JS object.
     // 'finishClasses' takes all collected descriptions and sets up
     // the prototype.
     // Once set up, the constructors prototype field satisfy:
     //  - it contains all (local) members.
     //  - its internal prototype (__proto__) points to the superclass'
     //    prototype field.
     //  - the prototype's constructor field points to the JavaScript
     //    constructor.
     // For engines where we have access to the '__proto__' we can manipulate
@@ skipping 420 matching lines @@
         }
       }
     }
 
     if (#enabledJsInterop) {
       #jsInteropBoostrap
     }
     #tearOffCode;
   }
 
-  if (#hasIncrementalSupport) {
-    #incrementalHelper.addStubs = addStubs;
-  }
-
   var functionCounter = 0;
   if (!#libraries) #libraries = [];
   if (!#mangledNames) #mangledNames = map();
   if (!#mangledGlobalNames) #mangledGlobalNames = map();
   if (!#statics) #statics = map();
   if (!#typeInformation) #typeInformation = map();
   if (!#globalFunctions) #globalFunctions = map();
   if (#enabledInvokeOn)
     if (!#interceptedNames) #interceptedNames = #interceptedNamesSet;
   var libraries = #libraries;
@@ skipping 76 matching lines @@
 (function() {
   var result = $array[$index];
   if ($check) {
     throw new Error(
         name + ": expected value of type \'$type\' at index " + ($index) +
         " but got " + (typeof result));
   }
   return result;
 })()''';
 }