Move runner stuff into a runner namespace.

mojo/runner/native_application_support.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MOJO_RUNNER_NATIVE_APPLICATION_SUPPORT_H_
 #define MOJO_RUNNER_NATIVE_APPLICATION_SUPPORT_H_
 
 #include "base/native_library.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
+#include "mojo/shell/native_runner.h"
 
 #if defined(OS_WIN)
 #undef DELETE
 #endif
 
 namespace base {
 class FilePath;
 }
 
 namespace mojo {
 
 class Application;
 
-namespace shell {
-
-enum class NativeApplicationCleanup { DELETE, DONT_DELETE };
+namespace runner {
 
 // Loads the native Mojo application from the DSO specified by |app_path|.
 // Returns the |base::NativeLibrary| for the application on success (or null on
 // failure). If |cleanup| is |DELETE|, it will delete |app_path| (regardless of
 // sucess or failure).
 //
 // Note: The caller may choose to eventually unload the returned DSO. If so,
 // this should be done only after the thread on which |LoadNativeApplication()|
 // and |RunNativeApplication()| were called has terminated, so that any
 // thread-local destructors have been executed.
-base::NativeLibrary LoadNativeApplication(const base::FilePath& app_path,
-                                          NativeApplicationCleanup cleanup);
+base::NativeLibrary LoadNativeApplication(
+    const base::FilePath& app_path,
+    shell::NativeApplicationCleanup cleanup);
 
 // Runs the native Mojo application from the DSO that was loaded using
 // |LoadNativeApplication()|; this tolerates |app_library| being null. This
 // should be called on the same thread as |LoadNativeApplication()|. Returns
 // true if |MojoMain()| was called (even if it returns an error), and false
 // otherwise.
 // TODO(vtl): Maybe this should also have a |MojoResult| as an out parameter?
 bool RunNativeApplication(base::NativeLibrary app_library,
                           InterfaceRequest<Application> application_request);
 
-}  // namespace shell
+}  // namespace runner
 }  // namespace mojo
 
 #endif  // MOJO_RUNNER_NATIVE_APPLICATION_SUPPORT_H_