Emit CSP code in separate file.

dart/sdk/lib/_internal/compiler/implementation/js_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.
 
 part of js_backend;
 
 class JavaScriptItemCompilationContext extends ItemCompilationContext {
   final Set<HInstruction> boundsChecked;
 
   JavaScriptItemCompilationContext()
@@ skipping 399 matching lines @@
 
   // Checked mode helpers indexed by name.
   Map<String, CheckedModeHelper> checkedModeHelperByName =
       new Map<String, CheckedModeHelper>.fromIterable(
           checkedModeHelpers,
           key: (helper) => helper.name.slowToString());
 
   /// Number of methods compiled before considering reflection.
   int preMirrorsMethodCount = 0;
 
-  JavaScriptBackend(Compiler compiler, bool generateSourceMap, bool disableEval)
+  JavaScriptBackend(Compiler compiler, bool generateSourceMap)
       : namer = determineNamer(compiler),
         oneShotInterceptors = new Map<String, Selector>(),
         interceptedElements = new Map<SourceString, Set<Element>>(),
         rti = new RuntimeTypes(compiler),
         specializedGetInterceptors = new Map<String, Set<ClassElement>>(),
         super(compiler, JAVA_SCRIPT_CONSTANT_SYSTEM) {
-    emitter = disableEval
-        ? new CodeEmitterNoEvalTask(compiler, namer, generateSourceMap)
-        : new CodeEmitterTask(compiler, namer, generateSourceMap);
+    emitter = new CodeEmitterTask(compiler, namer, generateSourceMap);
     builder = new SsaBuilderTask(this);
     optimizer = new SsaOptimizerTask(this);
     generator = new SsaCodeGeneratorTask(this);
   }
 
   static Namer determineNamer(Compiler compiler) {
     return compiler.enableMinification ?
         new MinifyNamer(compiler) :
         new Namer(compiler);
   }
@@ skipping 1401 matching lines @@
     copy(constant.values);
     copy(constant.protoValue);
     copy(constant);
   }
 
   void visitConstructed(ConstructedConstant constant) {
     copy(constant.fields);
     copy(constant);
   }
 }