Remove implicit conversions from scoped_refptr to T* in chrome/*/extensions/

chrome/browser/extensions/webstore_standalone_installer.cc

 // 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.
 
 #include "chrome/browser/extensions/webstore_standalone_installer.h"
 
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
@@ skipping 333 matching lines @@
       // Don't install a blacklisted extension.
       install_result = webstore_install::BLACKLISTED;
       install_message = kExtensionIsBlacklisted;
     } else if (util::IsEphemeralApp(installed_extension->id(), profile_) &&
                !approval->is_ephemeral) {
       // If the target extension has already been installed ephemerally and is
       // up to date, it can be promoted to a regular installed extension and
       // downloading from the Web Store is not necessary.
       scoped_refptr<const Extension> extension_to_install =
           GetLocalizedExtensionForDisplay();
-      if (!extension_to_install) {
+      if (!extension_to_install.get()) {
         CompleteInstall(webstore_install::INVALID_MANIFEST,
                         kInvalidManifestError);
         return;
       }
 
       if (installed_extension->version()->CompareTo(
               *extension_to_install->version()) < 0) {
         // If the existing extension is out of date, proceed with the install
         // to update the extension.
         done = false;
@@ skipping 52 matching lines @@
     default:
       break;
   }
 
   CompleteInstall(install_result, error);
 }
 
 void WebstoreStandaloneInstaller::ShowInstallUI() {
   scoped_refptr<const Extension> localized_extension =
       GetLocalizedExtensionForDisplay();
-  if (!localized_extension) {
+  if (!localized_extension.get()) {
     CompleteInstall(webstore_install::INVALID_MANIFEST, kInvalidManifestError);
     return;
   }
 
   install_ui_ = CreateInstallUI();
   install_ui_->ConfirmStandaloneInstall(
-      this, localized_extension, &icon_, install_prompt_);
+      this, localized_extension.get(), &icon_, install_prompt_);
 }
 
 void WebstoreStandaloneInstaller::OnWebStoreDataFetcherDone() {
   // An instance of this class is passed in as a delegate for the
   // WebstoreInstallHelper, ExtensionInstallPrompt and WebstoreInstaller, and
   // therefore needs to remain alive until they are done. Clear the webstore
   // data fetcher to avoid calling Release in AbortInstall while any of these
   // operations are in progress.
   webstore_data_fetcher_.reset();
 }
 
 }  // namespace extensions