Example - Move RequestContextHandler into CefSharp.Example

Was previously only in WPF project, move into the common CefSharp.Example
as there was nothing WPF specific out the class.

Author: amaitland

CefSharp.Example/CefSharp.Example.csproj

@@ -79,6 +79,7 @@
     <Compile Include="Handlers\AudioHandler.cs" />
     <Compile Include="Handlers\ExampleResourceRequestHandler.cs" />
     <Compile Include="Handlers\ExtensionHandler.cs" />
+    <Compile Include="Handlers\RequestContextHandler.cs" />
     <Compile Include="JavascriptBinding\AsyncBoundObject.cs" />
     <Compile Include="JavascriptBinding\BoundObject.cs" />
     <Compile Include="JavascriptBinding\CallbackResponseStruct.cs" />

CefSharp.Wpf.Example/Handlers/RequestContextHandler.cs renamed to CefSharp.Example/Handlers/RequestContextHandler.cs

@@ -2,12 +2,10 @@
 //
 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
 
-namespace CefSharp.Wpf.Example.Handlers
+namespace CefSharp.Example.Handlers
 {
     public class RequestContextHandler : IRequestContextHandler
     {
-        private readonly ICookieManager customCookieManager;
-
         IResourceRequestHandler IRequestContextHandler.GetResourceRequestHandler(IBrowser browser, IFrame frame, IRequest request, bool isNavigation, bool isDownload, string requestInitiator, ref bool disableDefaultHandling)
         {
             return null;

CefSharp.Wpf.Example/CefSharp.Wpf.Example.csproj

@@ -116,7 +116,6 @@
     <Compile Include="Handlers\DragHandler.cs" />
     <Compile Include="Handlers\MenuHandler.cs" />
     <Compile Include="Handlers\ExperimentalLifespanHandler.cs" />
-    <Compile Include="Handlers\RequestContextHandler.cs" />
     <Compile Include="Handlers\WpfBrowserProcessHandler.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="JavascriptCallbackMainWindow.xaml.cs">