Remove duplicate application cpp files in mojo/application.

mojo/shell/application_manager.cc

 // Copyright 2014 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 "mojo/shell/application_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 318 matching lines @@
   auto alias_iter = application_package_alias_.find(app_url);
   if (alias_iter != application_package_alias_.end()) {
     // We replace the qualifier with the one our package alias requested.
     URLResponsePtr response(URLResponse::New());
     response->url = String::From(app_url.spec());
 
     std::string qualifier;
     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kEnableMultiprocess)) {
       // Why can't we use this in single process mode? Because of
-      // base::AtExitManager. If you link in ApplicationRunnerChromium into
+      // base::AtExitManager. If you link in ApplicationRunner into
       // your code, and then we make initialize multiple copies of the
       // application, we end up with multiple AtExitManagers and will check on
       // the second one being created.
       //
       // Why doesn't that happen when running different apps? Because
       // your_thing.mojo!base::AtExitManager and
       // my_thing.mojo!base::AtExitManager are different symbols.
       qualifier = alias_iter->second.second;
     }
 
@@ skipping 165 matching lines @@
   return pipe.handle0.Pass();
 }
 
 void ApplicationManager::CleanupRunner(NativeRunner* runner) {
   native_runners_.erase(
       std::find(native_runners_.begin(), native_runners_.end(), runner));
 }
 
 }  // namespace shell
 }  // namespace mojo