Make sideloaded (externally installed) extensions display webstore info

chrome/browser/ui/cocoa/extensions/extension_install_view_controller.h

 // Copyright (c) 2012 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_UI_COCOA_EXTENSIONS_EXTENSION_INSTALL_VIEW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_INSTALL_VIEW_CONTROLLER_H_
 
 #include <vector>
 
 #import <Cocoa/Cocoa.h>
@@ skipping 16 matching lines @@
   IBOutlet NSImageView* iconView_;
   IBOutlet NSTextField* titleField_;
   IBOutlet NSTextField* itemsField_;
   IBOutlet NSButton* cancelButton_;
   IBOutlet NSButton* okButton_;
 
   // Present only when the dialog has permission warnings or OAuth issues to
   // display.
   IBOutlet NSOutlineView* outlineView_;
 
-  // Present only in the inline install dialog.
+  // Present only in the install dialogs with webstore data (inline and
+  // external).
   IBOutlet NSBox* warningsSeparator_; // Only when there are permissions.
   IBOutlet NSView* ratingStars_;
   IBOutlet NSTextField* ratingCountField_;
   IBOutlet NSTextField* userCountField_;
   IBOutlet NSButton* storeLinkButton_;
 
   content::PageNavigator* navigator_;  // weak
   ExtensionInstallPrompt::Delegate* delegate_;  // weak
   scoped_ptr<ExtensionInstallPrompt::Prompt> prompt_;
 
@@ skipping 17 matching lines @@
 - (id)initWithNavigator:(content::PageNavigator*)navigator
                delegate:(ExtensionInstallPrompt::Delegate*)delegate
                  prompt:(const ExtensionInstallPrompt::Prompt&)prompt;
 - (IBAction)storeLinkClicked:(id)sender; // Callback for "View details" link.
 - (IBAction)cancel:(id)sender;
 - (IBAction)ok:(id)sender;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_INSTALL_VIEW_CONTROLLER_H_