Remove duplicate application cpp files in mojo/application.

mojo/application/public/cpp/lib/content_handler_factory.cc

Index: mojo/application/public/cpp/lib/content_handler_factory.cc
diff --git a/mojo/application/content_handler_factory.cc b/mojo/application/public/cpp/lib/content_handler_factory.cc
similarity index 97%
rename from mojo/application/content_handler_factory.cc
rename to mojo/application/public/cpp/lib/content_handler_factory.cc
index 9fac37184fb372d9dc7324c4806c131cb7d90ce5..9b4d2717f327002d7987cfb51d3cbfcf6e5d61c2 100644
--- a/mojo/application/content_handler_factory.cc
+++ b/mojo/application/public/cpp/lib/content_handler_factory.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "mojo/application/content_handler_factory.h"
+#include "mojo/application/public/cpp/content_handler_factory.h"
 
 #include <set>
 
@@ -10,10 +10,10 @@
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/platform_thread.h"
-#include "mojo/application/application_runner_chromium.h"
 #include "mojo/application/public/cpp/application_connection.h"
 #include "mojo/application/public/cpp/application_delegate.h"
 #include "mojo/application/public/cpp/application_impl.h"
+#include "mojo/application/public/cpp/application_runner.h"
 #include "mojo/application/public/cpp/interface_factory_impl.h"
 #include "mojo/common/message_pump_mojo.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"