Moves android specific code into android directory

shell/ui_application_loader_android.h

Index: shell/ui_application_loader_android.h
diff --git a/shell/ui_application_loader_android.h b/shell/ui_application_loader_android.h
deleted file mode 100644
index 64b13f07a97f3e9d6d31561fedb98b2960c641f1..0000000000000000000000000000000000000000
--- a/shell/ui_application_loader_android.h
+++ /dev/null
@@ -1,59 +0,0 @@
-// 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 SHELL_UI_APPLICATION_LOADER_ANDROID_H_
-#define SHELL_UI_APPLICATION_LOADER_ANDROID_H_
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "mojo/application_manager/application_loader.h"
-
-namespace mojo {
-
-class ApplicationManager;
-
-namespace shell {
-class Context;
-}
-
-// ApplicationLoader implementation that creates a background thread and issues
-// load
-// requests there.
-class UIApplicationLoader : public ApplicationLoader {
- public:
-  UIApplicationLoader(scoped_ptr<ApplicationLoader> real_loader,
-                      shell::Context* context);
-  ~UIApplicationLoader() override;
-
-  // ApplicationLoader overrides:
-  void Load(ApplicationManager* manager,
-            const GURL& url,
-            ScopedMessagePipeHandle shell_handle,
-            LoadCallback callback) override;
-  void OnApplicationError(ApplicationManager* manager,
-                          const GURL& url) override;
-
- private:
-  class UILoader;
-
-  // These functions are exected on the background thread. They call through
-  // to |background_loader_| to do the actual loading.
-  // TODO: having this code take a |manager| is fragile (as ApplicationManager
-  // isn't thread safe).
-  void LoadOnUIThread(ApplicationManager* manager,
-                      const GURL& url,
-                      ScopedMessagePipeHandle shell_handle);
-  void OnApplicationErrorOnUIThread(ApplicationManager* manager,
-                                    const GURL& url);
-  void ShutdownOnUIThread();
-
-  scoped_ptr<ApplicationLoader> loader_;
-  shell::Context* context_;
-
-  DISALLOW_COPY_AND_ASSIGN(UIApplicationLoader);
-};
-
-}  // namespace mojo
-
-#endif  // SHELL_UI_APPLICATION_LOADER_ANDROID_H_