Deprecate automatic generation of precompiled.js.

sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart

Index: sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart
diff --git a/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart b/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart
index 231035a42efce9cc6a30e789781a8005e7d5bc2b..710b0eb8d97e93121a7aad032143e13f9022d400 100644
--- a/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart
+++ b/sdk/lib/_internal/compiler/implementation/js_emitter/code_emitter_task.dart
@@ -1544,6 +1544,23 @@ if (typeof $printHelperName === "function") {
           ..close();
       compiler.assembledCode = assembledCode;
 
+      if (!compiler.useContentSecurityPolicy) {
+        mainBuffer.write("""
+{
+  var message = 
+      'Deprecation: Automatic generation of output for Content Security\\n' + 
+      'Policy is deprecated and will be removed with the next development\\n' +
+      'release. Use the --csp option to generate the precompiled.js output\\n' + 

[floitsch, 2014/03/31 12:53:26]

space at end of line?

[floitsch, 2014/03/31 12:53:26]

Should we generate "precompiled.js" or generate to the output-file that is
requested?
That is, should --out=foo.js be the precompiled file, when using --csp ?

[Johnni Winther, 2014/04/01 08:20:21]

Removed.

[Johnni Winther, 2014/04/01 08:20:21]

Done.

+      'without this message.';
+  if (typeof dartPrint == "function") {
+    dartPrint(message);
+  } else if (typeof console == "object" && typeof console.log == "function") {
+    console.log(message);
+  } else if (typeof print == "function") {
+    print(message);
+  }
+}\n""");
+      }
       mainBuffer.write(
           jsAst.prettyPrint(
               precompiledFunctionAst, compiler,