Refactor design for the second task

Tasks/UrlTester/MainWindow.xaml

@@ -17,6 +17,11 @@
                     Value="15,0,15,0" />
         </Style>
         <Style TargetType="TextBox" BasedOn="{StaticResource CommonStyle}" />
+        <Style TargetType="TextBlock" BasedOn="{StaticResource CommonStyle}" />
+        <Style TargetType="ProgressBar" BasedOn="{StaticResource CommonStyle}">
+            <Setter Property="Height"
+                    Value="20" />
+        </Style>
     </Window.Resources>
     <Border>
         <Grid>
@@ -46,6 +51,29 @@
                     <TextBlock x:Name="bytesBox" />
                     <TextBlock x:Name="timeBox" />
                 </StackPanel>
+                <Grid>
+                    <Grid.RowDefinitions>
+                        <RowDefinition />
+                        <RowDefinition />
+                    </Grid.RowDefinitions>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="*" />
+                        <ColumnDefinition Width="*" />
+                        <ColumnDefinition Width="*" />
+                    </Grid.ColumnDefinitions>
+                    <ProgressBar x:Name="timeBar"
+                                 Minimum="0"
+                                 Maximum="1000"
+                                 Grid.ColumnSpan="3" />
+                    <TextBlock Grid.Row="1"
+                               Grid.Column="1"
+                               TextAlignment="Center"
+                               Text="500 ms" />
+                    <TextBlock Grid.Row="1"
+                               Grid.Column="2"
+                               TextAlignment="Right"
+                               Text="1000 ms" />
+                </Grid>
             </StackPanel>
         </Grid>
     </Border>