Convert ViewProviderApp and ContentViewerApp to implement ApplicationImplBase instead of Applicatio…

examples/ui/tile/tile_app.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/strings/string_split.h"
 #include "examples/ui/tile/tile_app.h"
 #include "examples/ui/tile/tile_view.h"
 #include "mojo/public/cpp/application/connect.h"
 #include "url/url_parse.h"
 
 namespace examples {
 
 TileApp::TileApp() {}
 
 TileApp::~TileApp() {}
 
 void TileApp::CreateView(
     const std::string& connection_url,
     mojo::InterfaceRequest<mojo::ui::ViewOwner> view_owner_request,
     mojo::InterfaceRequest<mojo::ServiceProvider> services) {
   TileParams params;
   if (!ParseParams(connection_url, &params)) {
     LOG(ERROR) << "Missing or invalid URL parameters.  See README.";
     return;
   }
 
-  new TileView(mojo::CreateApplicationConnector(app_impl()->shell()),
+  new TileView(mojo::CreateApplicationConnector(shell()),
                view_owner_request.Pass(), params);
 }
 
 bool TileApp::ParseParams(const std::string& connection_url,
                           TileParams* params) {
   url::Parsed parsed;
   url::ParseStandardURL(connection_url.c_str(), connection_url.size(), &parsed);
   url::Component query = parsed.query;
 
   for (;;) {
@@ skipping 32 matching lines @@
         return false;
     } else {
       return false;
     }
   }
 
   return !params->view_urls.empty();
 }
 
 }  // namespace examples