Remove code that requires whole-program compile

lib/src/codegen/js_printer.dart

Index: lib/src/codegen/js_printer.dart
diff --git a/lib/src/codegen/js_printer.dart b/lib/src/codegen/js_printer.dart
index 451e8e1b6f743bb271a151e357de58324ed8d69c..0ea6f5875310e7e2fc280838731243a615ba9132 100644
--- a/lib/src/codegen/js_printer.dart
+++ b/lib/src/codegen/js_printer.dart
@@ -16,8 +16,7 @@ import '../utils.dart' show FileSystem, computeHash, locationForOffset;
 
 import 'js_names.dart' show TemporaryNamer;
 
-String writeJsLibrary(
-    JS.Program jsTree, String outputPath, String inputDir, Uri serverUri,
+void writeJsLibrary(JS.Program jsTree, String outputPath, String inputDir,
     {bool emitSourceMaps: false,
     bool emitTypes: false,
     FileSystem fileSystem}) {
@@ -27,8 +26,7 @@ String writeJsLibrary(
   JS.JavaScriptPrintingContext context;
   if (emitSourceMaps) {
     var printer = new srcmaps.Printer(outFilename);
-    context =
-        new SourceMapPrintingContext(printer, outDir, inputDir, serverUri);
+    context = new SourceMapPrintingContext(printer, outDir, inputDir, null);
   } else {
     context = new JS.SimpleJavaScriptPrintingContext();
   }
@@ -69,8 +67,6 @@ String writeJsLibrary(
     // TODO(jmesserly): should only do this if the input file was executable?
     if (!Platform.isWindows) Process.runSync('chmod', ['+x', outputPath]);
   }
-
-  return computeHash(text);
 }
 
 class SourceMapPrintingContext extends JS.JavaScriptPrintingContext {
@@ -78,15 +74,13 @@ class SourceMapPrintingContext extends JS.JavaScriptPrintingContext {
   final String outputDir;
   final String inputDir;
 
-  // TODO(vsm): we could abstract this out and have a generic Uri mapping
-  // instead of hardcoding a notion of a server uri.
-  final Uri serverUri;
+  final Uri baseUri;
 
   CompilationUnit unit;
   Uri uri;
 
   SourceMapPrintingContext(
-      this.printer, this.outputDir, this.inputDir, this.serverUri);
+      this.printer, this.outputDir, this.inputDir, this.baseUri);
 
   void emit(String string) {
     printer.add(string);
@@ -124,13 +118,13 @@ class SourceMapPrintingContext extends JS.JavaScriptPrintingContext {
       locationForOffset(unit.lineInfo, uri, offset);
 
   Uri _makeRelativeUri(Uri src) {
-    if (serverUri == null) {
+    if (baseUri == null) {
       return new Uri(path: path.relative(src.path, from: outputDir));
     } else {
       if (src.path.startsWith('/')) {
-        return serverUri.resolve(path.relative(src.path, from: inputDir));
+        return baseUri.resolve(path.relative(src.path, from: inputDir));
       } else {
-        return serverUri.resolve(path.join('packages', src.path));
+        return baseUri.resolve(path.join('packages', src.path));
       }
     }
   }