Mojo: Convert OVERRIDE -> override in various subdirectories of mojo/.

mojo/application_manager/application_loader.h

Index: mojo/application_manager/application_loader.h
diff --git a/mojo/application_manager/application_loader.h b/mojo/application_manager/application_loader.h
index d0e6fee1feedb801e4bfd2f97342389207093bc6..b7d9f19c00e7015d496cfa7a5c4bbbabdfcb64dd 100644
--- a/mojo/application_manager/application_loader.h
+++ b/mojo/application_manager/application_loader.h
@@ -47,9 +47,9 @@ class MOJO_APPLICATION_MANAGER_EXPORT ApplicationLoader {
       : public LoadCallbacks {
    public:
     SimpleLoadCallbacks(ScopedMessagePipeHandle shell_handle);
-    virtual ScopedMessagePipeHandle RegisterApplication() OVERRIDE;
+    virtual ScopedMessagePipeHandle RegisterApplication() override;

[danakj, 2014/10/01 22:38:32]

wasn't the rule to not use "virtual" when using "override" because it's
redundant?

     virtual void LoadWithContentHandler(const GURL& content_handler_url,
-                                        URLResponsePtr response) OVERRIDE;
+                                        URLResponsePtr response) override;
 
    private:
     ScopedMessagePipeHandle shell_handle_;