Rename apps::AppShell* to apps::Shell*

apps/shell/shell_main.cc

Index: apps/shell/shell_main.cc
diff --git a/apps/shell/app_shell_main.cc b/apps/shell/shell_main.cc
similarity index 78%
rename from apps/shell/app_shell_main.cc
rename to apps/shell/shell_main.cc
index ed7c100679799252c21c7d2868f0ed495ccc8385..4048c17524d3a2704138885ce08baf96018a3852 100644
--- a/apps/shell/app_shell_main.cc
+++ b/apps/shell/shell_main.cc
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "apps/shell/app_shell_main_delegate.h"
+#include "apps/shell/shell_main_delegate.h"
 #include "content/public/app/content_main.h"
 
 int main(int argc, const char** argv) {
-  apps::AppShellMainDelegate delegate;
+  apps::ShellMainDelegate delegate;
   return content::ContentMain(argc, argv, &delegate);
 }