Enable dartanalyze warnings.

mojo/public/dart/src/message.dart

Index: mojo/public/dart/src/message.dart
diff --git a/mojo/public/dart/src/message.dart b/mojo/public/dart/src/message.dart
index 9c7cf463112af41ceade6e7a837947d3756109a1..3cfe2fbdc30fb73b2dbd5522a67927df6fc933bb 100644
--- a/mojo/public/dart/src/message.dart
+++ b/mojo/public/dart/src/message.dart
@@ -27,29 +27,28 @@ class MessageHeader {
   static bool mustHaveRequestId(int flags) =>
       (flags & (kMessageExpectsResponse | kMessageIsResponse)) != 0;
 
-  MessageHeader(this.type) :
-    _header = new StructDataHeader(kSimpleMessageSize, kSimpleMessageVersion),
-    flags = 0,
-    requestId = 0;
+  MessageHeader(this.type)
+      : _header = new StructDataHeader(
+          kSimpleMessageSize, kSimpleMessageVersion),
+        flags = 0,
+        requestId = 0;
 
-  MessageHeader.withRequestId(this.type, this.flags, this.requestId) :
-    _header = new StructDataHeader(
-        kMessageWithRequestIdSize, kMessageWithRequestIdVersion);
+  MessageHeader.withRequestId(this.type, this.flags, this.requestId)
+      : _header = new StructDataHeader(
+          kMessageWithRequestIdSize, kMessageWithRequestIdVersion);
 
   MessageHeader.fromMessage(Message message) {
     var decoder = new Decoder(message);
     _header = decoder.decodeStructDataHeader();
     if (_header.size < kSimpleMessageSize) {
-      throw new MojoCodecError(
-          'Incorrect message size. Got: ${_header.size} '
+      throw new MojoCodecError('Incorrect message size. Got: ${_header.size} '
           'wanted $kSimpleMessageSize');
     }
     type = decoder.decodeUint32(kMessageTypeOffset);
     flags = decoder.decodeUint32(kMessageFlagsOffset);
     if (mustHaveRequestId(flags)) {
       if (_header.size < kMessageWithRequestIdSize) {
-        throw new MojoCodecError(
-            'Incorrect message size. Got: ${_header.size} '
+        throw new MojoCodecError('Incorrect message size. Got: ${_header.size} '
             'wanted $kMessageWithRequestIdSize');
       }
       requestId = decoder.decodeUint64(kMessageRequestIdOffset);
@@ -70,8 +69,6 @@ class MessageHeader {
     }
   }
 
-  ServiceMessage get serviceMessage => new ServiceMessage(this);
-
   String toString() => "MessageHeader($_header, $type, $flags, $requestId)";
 
   bool validateHeaderFlags(expectedFlags) =>
@@ -83,28 +80,27 @@ class MessageHeader {
   static void _validateDataHeader(StructDataHeader dataHeader) {
     if (dataHeader.version < kSimpleMessageVersion) {
       throw 'Incorrect version, expecting at least '
-            '$kSimpleMessageVersion, but got: ${dataHeader.version}.';
+          '$kSimpleMessageVersion, but got: ${dataHeader.version}.';
     }
     if (dataHeader.size < kSimpleMessageSize) {
       throw 'Incorrect message size, expecting at least $kSimpleMessageSize, '
-            'but got: ${dataHeader.size}';
+          'but got: ${dataHeader.size}';
     }
     if ((dataHeader.version == kSimpleMessageVersion) &&
         (dataHeader.size != kSimpleMessageSize)) {
       throw 'Incorrect message size for a message of version '
-            '$kSimpleMessageVersion, expecting $kSimpleMessageSize, '
-            'but got ${dataHeader.size}';
+          '$kSimpleMessageVersion, expecting $kSimpleMessageSize, '
+          'but got ${dataHeader.size}';
     }
     if ((dataHeader.version == kMessageWithRequestIdVersion) &&
         (dataHeader.size != kMessageWithRequestIdSize)) {
       throw 'Incorrect message size for a message of version '
-            '$kMessageWithRequestIdVersion, expecting '
-            '$kMessageWithRequestIdSize, but got ${dataHeader.size}';
+          '$kMessageWithRequestIdVersion, expecting '
+          '$kMessageWithRequestIdSize, but got ${dataHeader.size}';
     }
   }
 }
 
-
 class Message {
   final ByteData buffer;
   final List<core.MojoHandle> handles;
@@ -113,7 +109,6 @@ class Message {
       "Message(numBytes=${buffer.lengthInBytes}, numHandles=${handles.length})";
 }
 
-
 class ServiceMessage extends Message {
   final MessageHeader header;
   Message _payload;