Prune the old deploy code. This CL does a few changes:

pkg/polymer/lib/src/analyzer.dart

Index: pkg/polymer/lib/src/analyzer.dart
diff --git a/pkg/polymer/lib/src/analyzer.dart b/pkg/polymer/lib/src/analyzer.dart
index 193e1391a3d4d33b68289ba66e9fff3069ca503f..176b30a872f9012a955a65b1b6be69d334d4bfb7 100644
--- a/pkg/polymer/lib/src/analyzer.dart
+++ b/pkg/polymer/lib/src/analyzer.dart
@@ -27,10 +27,9 @@ import 'summary.dart';
  * supplied.
  */
 FileInfo analyzeDefinitions(GlobalInfo global, UrlInfo inputUrl,
-    Document document, String packageRoot,
-    Messages messages, {bool isEntryPoint: false}) {
+    Document document, Messages messages, {bool isEntryPoint: false}) {
   var result = new FileInfo(inputUrl, isEntryPoint);
-  var loader = new _ElementLoader(global, result, packageRoot, messages);
+  var loader = new _ElementLoader(global, result, messages);
   loader.visit(document);
   return result;
 }
@@ -347,7 +346,6 @@ class _ElementLoader extends TreeVisitor {
   final GlobalInfo _global;
   final FileInfo _fileInfo;
   LibraryInfo _currentInfo;
-  String _packageRoot;
   bool _inHead = false;
   Messages _messages;
 
@@ -355,8 +353,7 @@ class _ElementLoader extends TreeVisitor {
    * Adds emitted warning/error messages to [_messages]. [_messages]
    * must not be null.
    */
-  _ElementLoader(this._global, this._fileInfo, this._packageRoot,
-      this._messages) {
+  _ElementLoader(this._global, this._fileInfo, this._messages) {
     _currentInfo = _fileInfo;
   }
 
@@ -410,7 +407,7 @@ class _ElementLoader extends TreeVisitor {
 
     bool isStyleSheet = rel == 'stylesheet';
     var urlInfo = UrlInfo.resolve(href, _fileInfo.inputUrl, node.sourceSpan,
-        _packageRoot, _messages, ignoreAbsolute: isStyleSheet);
+        _messages, ignoreAbsolute: isStyleSheet);
     if (urlInfo == null) return;
     if (isStyleSheet) {
       _fileInfo.styleSheetHrefs.add(urlInfo);
@@ -527,7 +524,7 @@ class _ElementLoader extends TreeVisitor {
         _tooManyScriptsError(node);
       } else {
         _currentInfo.externalFile = UrlInfo.resolve(src, _fileInfo.inputUrl,
-            node.sourceSpan, _packageRoot, _messages);
+            node.sourceSpan, _messages);
       }
       return;
     }