Make ExtensionInstallPrompt::Prompt ref-counted

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

 // 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.
 
 #import "chrome/browser/ui/cocoa/extensions/extension_install_view_controller.h"
 
 #include "base/auto_reset.h"
 #include "base/i18n/rtl.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
@@ skipping 162 matching lines @@
 @synthesize okButton = okButton_;
 @synthesize outlineView = outlineView_;
 @synthesize warningsSeparator = warningsSeparator_;
 @synthesize ratingStars = ratingStars_;
 @synthesize ratingCountField = ratingCountField_;
 @synthesize userCountField = userCountField_;
 @synthesize storeLinkButton = storeLinkButton_;
 
 - (id)initWithNavigator:(content::PageNavigator*)navigator
                delegate:(ExtensionInstallPrompt::Delegate*)delegate
-                 prompt:(const ExtensionInstallPrompt::Prompt&)prompt {
+                 prompt:(scoped_refptr<ExtensionInstallPrompt::Prompt>)prompt {
   // We use a different XIB in the case of bundle installs, installs with
   // webstore data, or no permission warnings. These are laid out nicely for
   // the data they display.
   NSString* nibName = nil;
-  if (prompt.type() == ExtensionInstallPrompt::BUNDLE_INSTALL_PROMPT) {
+  if (prompt->type() == ExtensionInstallPrompt::BUNDLE_INSTALL_PROMPT) {
     nibName = @"ExtensionInstallPromptBundle";
-  } else if (prompt.has_webstore_data()) {
+  } else if (prompt->has_webstore_data()) {
     nibName = @"ExtensionInstallPromptWebstoreData";
-  } else if (!prompt.ShouldShowPermissions() &&
-             prompt.GetRetainedFileCount() == 0) {
+  } else if (!prompt->ShouldShowPermissions() &&
+             prompt->GetRetainedFileCount() == 0) {
     nibName = @"ExtensionInstallPromptNoWarnings";
   } else {
     nibName = @"ExtensionInstallPrompt";
   }
 
   if ((self = [super initWithNibName:nibName
                               bundle:base::mac::FrameworkBundle()])) {
     navigator_ = navigator;
     delegate_ = delegate;
-    prompt_.reset(new ExtensionInstallPrompt::Prompt(prompt));
-    warnings_.reset([[self buildWarnings:prompt] retain]);
+    prompt_ = prompt;
+    warnings_.reset([[self buildWarnings:*prompt] retain]);
   }
   return self;
 }
 
 - (IBAction)storeLinkClicked:(id)sender {
   GURL store_url(extension_urls::GetWebstoreItemDetailURLPrefix() +
                  prompt_->extension()->id());
   navigator_->OpenURL(OpenURLParams(
       store_url, Referrer(), NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_LINK,
       false));
@@ skipping 519 matching lines @@
 }
 
 - (void)accessibilityPerformAction:(NSString*)action {
   if ([action isEqualToString:NSAccessibilityPressAction])
     [self handleLinkClicked];
   else
     [super accessibilityPerformAction:action];
 }
 
 @end