Add option to install an ephemeral app to ChromeOS shelf context menu

chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.cc

 // 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.
 
 #include "chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h"
 
 #include "apps/app_window.h"
 #include "apps/ui/native_app_window.h"
 #include "ash/shelf/shelf_model.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
+#include "chrome/browser/extensions/webstore_install_prompt.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item_v2app.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/browser/ui/ash/launcher/launcher_application_menu_item_model.h"
 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
 #include "chrome/browser/ui/ash/launcher/launcher_item_controller.h"
 #include "content/public/browser/web_contents.h"
 #include "skia/ext/image_operations.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
@@ skipping 122 matching lines @@
 }
 
 void AppWindowLauncherItemController::ActivateIndexedApp(size_t index) {
   if (index >= app_windows_.size())
     return;
   AppWindowList::iterator it = app_windows_.begin();
   std::advance(it, index);
   ShowAndActivateOrMinimize(*it);
 }
 
+void AppWindowLauncherItemController::InstallApp() {
+  AppWindow* parent_window =
+      last_active_app_window_ ? last_active_app_window_ : app_windows_.back();
+  scoped_refptr<extensions::WebstoreInstallPrompt> installer =
+      new extensions::WebstoreInstallPrompt(
+          app_id(),
+          launcher_controller()->profile(),
+          parent_window ? parent_window->GetNativeWindow() : NULL,
+          extensions::WebstoreInstallPrompt::Callback());
+  installer->BeginInstall();
+}
+
 ChromeLauncherAppMenuItems AppWindowLauncherItemController::GetApplicationList(
     int event_flags) {
   ChromeLauncherAppMenuItems items;
   items.push_back(new ChromeLauncherAppMenuItem(GetTitle(), NULL, false));
   int index = 0;
   for (AppWindowList::iterator iter = app_windows_.begin();
        iter != app_windows_.end();
        ++iter) {
     AppWindow* app_window = *iter;
     scoped_ptr<gfx::Image> image(GetAppListIcon(app_window));
@@ skipping 115 matching lines @@
   }
   if (window_to_show->GetBaseWindow()->IsActive()) {
     // Coming here, only a single window is active. For keyboard activations
     // the window gets animated.
     AnimateWindow(window_to_show->GetNativeWindow(),
                   wm::WINDOW_ANIMATION_TYPE_BOUNCE);
   } else {
     ShowAndActivateOrMinimize(window_to_show);
   }
 }