Add a flag that lets the webstore show a different UI on app install.

chrome/browser/extensions/extension_install_ui.h

 // Copyright (c) 2011 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_BROWSER_EXTENSIONS_EXTENSION_INSTALL_UI_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_UI_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/string16.h"
 #include "chrome/browser/extensions/image_loading_tracker.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/native_widget_types.h"
 
+class Browser;
 class Extension;
 class ExtensionPermissionSet;
 class MessageLoop;
 class Profile;
 class InfoBarDelegate;
 class TabContents;
 
 // Displays all the UI around extension installation and uninstallation.
 class ExtensionInstallUI : public ImageLoadingTracker::Observer {
  public:
@@ skipping 21 matching lines @@
     // |user_initiated| true if the installation was stopped by the user.
     virtual void InstallUIAbort(bool user_initiated) = 0;
 
    protected:
     virtual ~Delegate() {}
   };
 
   explicit ExtensionInstallUI(Profile* profile);
   virtual ~ExtensionInstallUI();
 
+  // TODO(asargent) Normally we navigate to the new tab page when an app is
+  // installed, but we're experimenting with instead showing a bubble when
+  // an app is installed which points to the new tab button. This may become
+  // the default behavior in the future.
+  void set_use_app_installed_bubble(bool use_bubble) {
+    use_app_installed_bubble_ = use_bubble;
+  }
+
   // This is called by the installer to verify whether the installation should
   // proceed. This is declared virtual for testing.
   //
   // We *MUST* eventually call either Proceed() or Abort() on |delegate|.
   virtual void ConfirmInstall(Delegate* delegate, const Extension* extension);
 
   // This is called by the app handler launcher to verify whether the app
   // should be re-enabled. This is declared virtual for testing.
   //
   // We *MUST* eventually call either Proceed() or Abort() on |delegate|.
@@ skipping 10 matching lines @@
   // Installation was successful. This is declared virtual for testing.
   virtual void OnInstallSuccess(const Extension* extension, SkBitmap* icon);
 
   // Installation failed. This is declared virtual for testing.
   virtual void OnInstallFailure(const std::string& error);
 
   // ImageLoadingTracker::Observer:
   virtual void OnImageLoaded(
       SkBitmap* image, const ExtensionResource& resource, int index);
 
+  // Opens a new tab page and animates the app icon for the app with id
+  // |app_id|.
+  static void OpenAppInstalledNTP(Browser* browser, const std::string& app_id);
+
  protected:
   friend class ExtensionWebstorePrivateApiTest;
 
   // Disables showing UI (ErrorBox, etc.) for install failures. To be used only
   // in tests.
   static void DisableFailureUIForTests();
 
  private:
   friend class GalleryInstallApiTestObserver;
 
@@ skipping 39 matching lines @@
 
   // The delegate we will call Proceed/Abort on after confirmation UI.
   Delegate* delegate_;
 
   // The type of prompt we are going to show.
   PromptType prompt_type_;
 
   // Keeps track of extension images being loaded on the File thread for the
   // purpose of showing the install UI.
   ImageLoadingTracker tracker_;
+
+  // Whether to show an installed bubble on app install, or use the default
+  // action of opening a new tab page.
+  bool use_app_installed_bubble_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_UI_H_