Initialize POD members of ApplicationManager, and other drive-by's.

shell/switches.cc

Index: shell/switches.cc
diff --git a/shell/switches.cc b/shell/switches.cc
index 5606fca675bb6bcfccd625c9c6ed964c1f2bf545..1b1e29129aeb01cba70a17026a6670e26b90d211 100644
--- a/shell/switches.cc
+++ b/shell/switches.cc
@@ -4,11 +4,12 @@
 
 #include "shell/switches.h"
 
-#include "base/basictypes.h"
+#include "base/macros.h"
 
 namespace switches {
 
 namespace {
+
 // This controls logging verbosity. It's not strictly a switch for mojo_shell,
 // and isn't included in the public switches, but is included here so that it
 // doesn't trigger an error at startup.