Rename dart:typeddata to dart:typed_data.

compiler/java/com/google/dart/compiler/parser/DartParser.java

Index: compiler/java/com/google/dart/compiler/parser/DartParser.java
diff --git a/compiler/java/com/google/dart/compiler/parser/DartParser.java b/compiler/java/com/google/dart/compiler/parser/DartParser.java
index 03e009d463ad6b144747c0dcee4a99e3a59a8f95..0f60a714892dd784b39970862aa0d4def748b722 100644
--- a/compiler/java/com/google/dart/compiler/parser/DartParser.java
+++ b/compiler/java/com/google/dart/compiler/parser/DartParser.java
@@ -5628,7 +5628,7 @@ public class DartParser extends CompletionHooksParserBase {
         && !Elements.isLibrarySource(source, "/crypto/crypto.dart")
         && !Elements.isLibrarySource(source, "/uri/uri.dart")
         && !Elements.isLibrarySource(source, "/utf/utf.dart")
-        && !Elements.isLibrarySource(source, "/typeddata/typeddata.dart")
+        && !Elements.isLibrarySource(source, "/typed_data/typed_data.dart")
         ) {
       super.reportError(position, errorCode);
     }