Emit either csp or non-csp versions of the program.

pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart

Index: pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart b/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
index ad8fa35a7bbcbbf690141ca3007118df8013784f..bc72044eb60d3127e31f984f728f6c7dd3bf53c8 100644
--- a/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/old_emitter/emitter.dart
@@ -69,6 +69,10 @@ class OldEmitter implements Emitter {
     return getBuffer(compiler.deferredLoadTask.mainOutputUnit);
   }
 
+  String useCspOrNonCspVersion(String cspVersion, String nonCspVersion) {
+    return compiler.useContentSecurityPolicy ? cspVersion : nonCspVersion;
+  }
+
   /**
    * List of expressions and statements that will be included in the
    * precompiled function.
@@ -490,14 +494,14 @@ class OldEmitter implements Emitter {
 
         var hasOwnProperty = Object.prototype.hasOwnProperty;
 
-        if (typeof dart_precompiled == "function") {
-          constructors = dart_precompiled(collectedClasses);
-        } else {
-          var combinedConstructorFunction =
+        ${useCspOrNonCspVersion('''

[floitsch, 2014/12/17 15:03:38]

There is an easier nicer solution:

`if (#) { ... }`

The template instantiation recognizes this case and removes the 'if' when the
hole is a boolean.

if (#inCspMode) { ... }
if (#notInCspMode) { ... }

(unless the template instantiator can deal with if/else.)

[zarah, 2014/12/18 08:22:16]

Done.

+        constructors = dart_precompiled(collectedClasses);
+        ''','''
+        var combinedConstructorFunction =
              "function \$reflectable(fn){fn.$reflectableField=1;return fn};\\n"+
              "var \$desc;\\n";
-          var constructorsList = [];
-        }
+        var constructorsList = [];
+        ''')}
 
         for (var cls in collectedClasses) {
           var desc = collectedClasses[cls];
@@ -529,21 +533,23 @@ class OldEmitter implements Emitter {
                 })(functionSignature);
           }
 
-          if (typeof dart_precompiled != "function") {
-            combinedConstructorFunction += defineClass(cls, fields);
-            constructorsList.push(cls);
-          }
+          ${useCspOrNonCspVersion('''
+          ''', '''
+          combinedConstructorFunction += defineClass(cls, fields);
+          constructorsList.push(cls);
+          ''')}
           if (supr) pendingClasses[cls] = supr;
         }
 
-        if (typeof dart_precompiled != "function") {
-          combinedConstructorFunction +=
-             "return [\\n  " + constructorsList.join(",\\n  ") + "\\n]";
-           var constructors =
-            new Function("\$collectedClasses", combinedConstructorFunction)
-            (collectedClasses);
-          combinedConstructorFunction = null;
-        }
+        ${useCspOrNonCspVersion('''
+        ''','''
+        combinedConstructorFunction +=
+          "return [\\n  " + constructorsList.join(",\\n  ") + "\\n]";
+        var constructors =
+          new Function("\$collectedClasses", combinedConstructorFunction)
+          (collectedClasses);
+        combinedConstructorFunction = null;
+        ''')}
 
         for (var i = 0; i < constructors.length; i++) {
           var constructor = constructors[i];