Fix spelling of "hostname" in a few comments

The variations code uses "osname" as a URL parameter. While grepping for
"osname" I noticed we misspell "hostname" in a few places.

Bug: none
Change-Id: I2b058f2732e90b90d57a222907ff39dd77cf365b
Tbr: xiyuan@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2585653Reviewed-by: James Cook <jamescook@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Commit-Queue: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#835892}

chrome/browser/chromeos/smb_client/smb_service.cc

@@ -484,7 +484,7 @@ void SmbService::MountInternal(
                                     mount_id, std::move(callback)));
   } else {
     // If using kerberos, the hostname should not be resolved since kerberos
-    // service tickets are keyed on hosname.
+    // service tickets are keyed on hostname.
     const SmbUrl url = info.use_kerberos()
                            ? info.share_url()
                            : share_finder_->GetResolvedUrl(info.share_url());
@@ -678,7 +678,7 @@ void SmbService::Remount(const ProvidedFileSystemInfo& file_system_info) {
   }
 
   // If using kerberos, the hostname should not be resolved since kerberos
-  // service tickets are keyed on hosname.
+  // service tickets are keyed on hostname.
   const SmbUrl resolved_url = is_kerberos_chromad
                                   ? parsed_url
                                   : share_finder_->GetResolvedUrl(parsed_url);

net/socket/socks5_client_socket_unittest.cc

@@ -214,7 +214,7 @@ TEST_F(SOCKS5ClientSocketTest, ConnectAndDisconnectTwice) {
   }
 }
 
-// Test that we fail trying to connect to a hosname longer than 255 bytes.
+// Test that we fail trying to connect to a hostname longer than 255 bytes.
 TEST_F(SOCKS5ClientSocketTest, LargeHostNameFails) {
   // Create a string of length 256, where each character is 'x'.
   std::string large_host_name;