Merge Android RetrieveWebappInformation and Extensions GetApplicationInfo.

chrome/renderer/extensions/chrome_extension_helper.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 CHROME_RENDERER_EXTENSIONS_CHROME_EXTENSION_HELPER_H_
-#define CHROME_RENDERER_EXTENSIONS_CHROME_EXTENSION_HELPER_H_
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "content/public/renderer/render_view_observer.h"
-#include "content/public/renderer/render_view_observer_tracker.h"
-
-struct WebApplicationInfo;
-
-namespace extensions {
-
-// RenderView plumbing for Chrome-specific extension features.
-// See also extensions/renderer/extension_helper.h.
-class ChromeExtensionHelper
-    : public content::RenderViewObserver,
-      public content::RenderViewObserverTracker<ChromeExtensionHelper> {
- public:
-  explicit ChromeExtensionHelper(content::RenderView* render_view);
-  virtual ~ChromeExtensionHelper();
-
- private:
-  // RenderViewObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-
-  // IPC message handlers.
-  void OnGetApplicationInfo();
-
-  // The app info that we are processing. This is used when installing an app
-  // via application definition. The in-progress web app is stored here while
-  // its manifest and icons are downloaded.
-  scoped_ptr<WebApplicationInfo> pending_app_info_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeExtensionHelper);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_RENDERER_EXTENSIONS_CHROME_EXTENSION_HELPER_H_