Stop emitting dart2js's .precompiled.js file.

dart2js itself will stop emitting this file soon.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//701283002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41534 260f80e4-7a28-3924-810f-c04153c831b5

lib/src/barback/dart2js_transformer.dart

@@ -89,7 +89,6 @@ class Dart2JSTransformer extends Transformer implements LazyTransformer {
   void declareOutputs(DeclaringTransform transform) {
     var primaryId = transform.primaryId;
     transform.declareOutput(primaryId.addExtension(".js"));
-    transform.declareOutput(primaryId.addExtension(".precompiled.js"));
     if (_generateSourceMaps) {
       transform.declareOutput(primaryId.addExtension(".js.map"));
     }
@@ -284,6 +283,10 @@ class _BarbackCompilerProvider implements dart.CompilerProvider {
       return new NullSink<String>();
     }
 
+    // TODO(nweiz): remove this special case when dart2js stops generating these
+    // files.
+    if (extension.endsWith(".precompiled.js")) return new NullSink<String>();
+
     var primaryId = _transform.primaryInput.id;
 
     // Dart2js uses an empty string for the name of the entrypoint library.

test/build/copies_browser_js_next_to_entrypoints_test.dart

@@ -43,7 +43,6 @@ main() {
       d.dir('build', [
         d.dir('foo', [
           d.matcherFile('file.dart.js', isNot(isEmpty)),
-          d.matcherFile('file.dart.precompiled.js', isNot(isEmpty)),
           d.dir('packages', [d.dir('browser', [
             d.file('dart.js', 'contents of dart.js'),
             d.file('interop.js', 'contents of interop.js')
@@ -54,12 +53,10 @@ main() {
               d.file('interop.js', 'contents of interop.js')
             ])]),
             d.matcherFile('subfile.dart.js', isNot(isEmpty)),
-            d.matcherFile('subfile.dart.precompiled.js', isNot(isEmpty)),
           ])
         ]),
         d.dir('web', [
           d.matcherFile('file.dart.js', isNot(isEmpty)),
-          d.matcherFile('file.dart.precompiled.js', isNot(isEmpty)),
           d.dir('packages', [d.dir('browser', [
             d.file('dart.js', 'contents of dart.js'),
             d.file('interop.js', 'contents of interop.js')
@@ -69,8 +66,7 @@ main() {
               d.file('dart.js', 'contents of dart.js'),
               d.file('interop.js', 'contents of interop.js')
             ])]),
-            d.matcherFile('subfile.dart.js', isNot(isEmpty)),
-            d.matcherFile('subfile.dart.precompiled.js', isNot(isEmpty))
+            d.matcherFile('subfile.dart.js', isNot(isEmpty))
           ])
         ])
       ])

test/dart2js/compiles_entrypoints_in_root_package_test.dart

@@ -46,34 +46,28 @@ main() {
       d.dir('build', [
         d.dir('benchmark', [
           d.matcherFile('file.dart.js', isNot(isEmpty)),
-          d.matcherFile('file.dart.precompiled.js', isNot(isEmpty)),
           d.nothing('file.dart'),
           d.nothing('lib.dart'),
           d.dir('subdir', [
             d.matcherFile('subfile.dart.js', isNot(isEmpty)),
-            d.matcherFile('subfile.dart.precompiled.js', isNot(isEmpty)),
             d.nothing('subfile.dart')
           ])
         ]),
         d.dir('foo', [
           d.matcherFile('file.dart.js', isNot(isEmpty)),
-          d.matcherFile('file.dart.precompiled.js', isNot(isEmpty)),
           d.nothing('file.dart'),
           d.nothing('lib.dart'),
           d.dir('subdir', [
             d.matcherFile('subfile.dart.js', isNot(isEmpty)),
-            d.matcherFile('subfile.dart.precompiled.js', isNot(isEmpty)),
             d.nothing('subfile.dart')
           ])
         ]),
         d.dir('web', [
           d.matcherFile('file.dart.js', isNot(isEmpty)),
-          d.matcherFile('file.dart.precompiled.js', isNot(isEmpty)),
           d.nothing('file.dart'),
           d.nothing('lib.dart'),
           d.dir('subdir', [
             d.matcherFile('subfile.dart.js', isNot(isEmpty)),
-            d.matcherFile('subfile.dart.precompiled.js', isNot(isEmpty)),
             d.nothing('subfile.dart')
           ])
         ])

test/dart2js/outputs_deferred_libraries_test.dart

@@ -56,7 +56,6 @@ main() {
       d.dir('build', [
         d.dir('web', [
           d.matcherFile('main.dart.js', isNot(isEmpty)),
-          d.matcherFile('main.dart.precompiled.js', isNot(isEmpty)),
           d.matcherFile('main.dart.js_1.part.js', isNot(isEmpty)),
           d.matcherFile('main.dart.js_2.part.js', isNot(isEmpty)),
         ])

test/dart2js/supports_configuration_with_build_test.dart

@@ -75,7 +75,6 @@ main() {
       d.dir('build', [
         d.dir('web', [
           d.matcherFile('file.dart.js', isMinifiedDart2JSOutput),
-          d.matcherFile('file.dart.precompiled.js', isNot(isEmpty)),
           d.dir('packages', [
             d.dir('browser', [
               d.file('dart.js', 'contents of dart.js'),