Separate mojo/shell into a runner and the application manager (shell)

mojo/runner/desktop/main.cc

Index: mojo/runner/desktop/main.cc
diff --git a/mojo/shell/desktop/main.cc b/mojo/runner/desktop/main.cc
similarity index 80%
rename from mojo/shell/desktop/main.cc
rename to mojo/runner/desktop/main.cc
index ca89c5da94b727c86a6812fb70cb9072cf4e82ee..b5d8576d4e30c861af91a28975316b021601568a 100644
--- a/mojo/shell/desktop/main.cc
+++ b/mojo/runner/desktop/main.cc
@@ -4,10 +4,10 @@
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
-#include "mojo/shell/child_process.h"
-#include "mojo/shell/desktop/launcher_process.h"
-#include "mojo/shell/init.h"
-#include "mojo/shell/switches.h"
+#include "mojo/runner/child_process.h"
+#include "mojo/runner/desktop/launcher_process.h"
+#include "mojo/runner/init.h"
+#include "mojo/runner/switches.h"
 
 int main(int argc, char** argv) {
   base::AtExitManager at_exit;