Adds sync brokering to Windows EDK

content/shell/renderer/shell_content_renderer_client.cc

Index: content/shell/renderer/shell_content_renderer_client.cc
diff --git a/content/shell/renderer/shell_content_renderer_client.cc b/content/shell/renderer/shell_content_renderer_client.cc
index 9d9b88a67b26a5644092fc2e3e687beb3ae6cd97..caeb020f3f69e2c3dacbcde42423131a8566cedd 100644
--- a/content/shell/renderer/shell_content_renderer_client.cc
+++ b/content/shell/renderer/shell_content_renderer_client.cc
@@ -71,6 +71,11 @@ class TestMojoServiceImpl : public mojom::TestMojoService {
     callback.Run("Not implemented.");
   }
 
+  void CreateSharedBuffer(const std::string& message,
+                          const CreateSharedBufferCallback& callback) override {
+    NOTREACHED();
+  }
+
   mojo::Binding<mojom::TestMojoService> binding_;
 
   DISALLOW_COPY_AND_ASSIGN(TestMojoServiceImpl);