Modernize the style.

lib/src/client.dart

Index: lib/src/client.dart
diff --git a/lib/src/client.dart b/lib/src/client.dart
index 60495a0ab540805036b28de0fd5a7a6d01bc7647..371eed3093c659e2059b2212e6559d05d277bdc5 100644
--- a/lib/src/client.dart
+++ b/lib/src/client.dart
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library oauth2_client;
+library oauth2.client;
 
 import 'dart:async';
 
@@ -15,8 +15,10 @@ import 'utils.dart';
 
 // TODO(nweiz): Add an onCredentialsRefreshed event once we have some event
 // infrastructure.
-/// An OAuth2 client. This acts as a drop-in replacement for an [http.Client],
-/// while sending OAuth2 authorization credentials along with each request.
+/// An OAuth2 client.
+///
+/// This acts as a drop-in replacement for an [http.Client], while sending
+/// OAuth2 authorization credentials along with each request.
 ///
 /// The client also automatically refreshes its credentials if possible. When it
 /// makes a request, if its credentials are expired, it will first refresh them.
@@ -34,18 +36,22 @@ import 'utils.dart';
 /// authorize. At the time of writing, the only authorization method this
 /// library supports is [AuthorizationCodeGrant].
 class Client extends http.BaseClient {
-  /// The client identifier for this client. The authorization server will issue
-  /// each client a separate client identifier and secret, which allows the
-  /// server to tell which client is accessing it. Some servers may also have an
-  /// anonymous identifier/secret pair that any client may use.
+  /// The client identifier for this client.
+  ///
+  /// The authorization server will issue each client a separate client
+  /// identifier and secret, which allows the server to tell which client is
+  /// accessing it. Some servers may also have an anonymous identifier/secret
+  /// pair that any client may use.
   ///
   /// This is usually global to the program using this library.
   final String identifier;
 
-  /// The client secret for this client. The authorization server will issue
-  /// each client a separate client identifier and secret, which allows the
-  /// server to tell which client is accessing it. Some servers may also have an
-  /// anonymous identifier/secret pair that any client may use.
+  /// The client secret for this client.
+  ///
+  /// The authorization server will issue each client a separate client
+  /// identifier and secret, which allows the server to tell which client is
+  /// accessing it. Some servers may also have an anonymous identifier/secret
+  /// pair that any client may use.
   ///
   /// This is usually global to the program using this library.
   ///
@@ -56,16 +62,19 @@ class Client extends http.BaseClient {
   final String secret;
 
   /// The credentials this client uses to prove to the resource server that it's
-  /// authorized. This may change from request to request as the credentials
-  /// expire and the client refreshes them automatically.
+  /// authorized.
+  ///
+  /// This may change from request to request as the credentials expire and the
+  /// client refreshes them automatically.
   Credentials get credentials => _credentials;
   Credentials _credentials;
 
   /// The underlying HTTP client.
   http.Client _httpClient;
 
-  /// Creates a new client from a pre-existing set of credentials. When
-  /// authorizing a client for the first time, you should use
+  /// Creates a new client from a pre-existing set of credentials.
+  ///
+  /// When authorizing a client for the first time, you should use
   /// [AuthorizationCodeGrant] instead of constructing a [Client] directly.
   ///
   /// [httpClient] is the underlying client that this forwards requests to after
@@ -77,9 +86,10 @@ class Client extends http.BaseClient {
       {http.Client httpClient})
     : _httpClient = httpClient == null ? new http.Client() : httpClient;
 
-  /// Sends an HTTP request with OAuth2 authorization credentials attached. This
-  /// will also automatically refresh this client's [Credentials] before sending
-  /// the request if necessary.
+  /// Sends an HTTP request with OAuth2 authorization credentials attached.
+  ///
+  /// This will also automatically refresh this client's [Credentials] before
+  /// sending the request if necessary.
   Future<http.StreamedResponse> send(http.BaseRequest request) async {
     if (credentials.isExpired) {
       if (!credentials.canRefresh) throw new ExpirationException(credentials);
@@ -96,7 +106,7 @@ class Client extends http.BaseClient {
     try {
       authenticate = new AuthenticateHeader.parse(
           response.headers['www-authenticate']);
-    } on FormatException catch (e) {
+    } on FormatException catch (_) {
       return response;
     }