Hook up test runner to new layout_test_html_viewer

components/html_viewer/layout_test_html_viewer_main.cc

Index: components/html_viewer/layout_test_html_viewer_main.cc
diff --git a/mandoline/ui/browser/main.cc b/components/html_viewer/layout_test_html_viewer_main.cc
similarity index 73%
copy from mandoline/ui/browser/main.cc
copy to components/html_viewer/layout_test_html_viewer_main.cc
index a7128afb5c42e4d6e1cd8e1a96212f90f3170169..7a20ce6bb42e798d77c49104f208062a3202c70e 100644
--- a/mandoline/ui/browser/main.cc
+++ b/components/html_viewer/layout_test_html_viewer_main.cc
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "mandoline/ui/browser/browser_manager.h"
+#include "components/html_viewer/layout_test_html_viewer.h"
 #include "mojo/application/public/cpp/application_runner.h"
 #include "third_party/mojo/src/mojo/public/c/system/main.h"
 
 MojoResult MojoMain(MojoHandle shell_handle) {
-  mojo::ApplicationRunner runner(new mandoline::BrowserManager);
+  mojo::ApplicationRunner runner(new html_viewer::LayoutTestHTMLViewer);
   return runner.Run(shell_handle);
 }