Cleanup/ linked_ptr -> scoped_ptr from c/b/ui/webui

chrome/browser/ui/webui/print_preview/print_preview_handler.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/ui/webui/print_preview/print_preview_handler.h"
 
 #include <ctype.h>
 
 #include <map>
 #include <string>
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/i18n/file_util_icu.h"
 #include "base/i18n/number_formatting.h"
 #include "base/json/json_reader.h"
 #include "base/lazy_instance.h"
-#include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted_memory.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/values.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
@@ skipping 545 matching lines @@
 
   void OnGetTokenFailure(const OAuth2TokenService::Request* request,
                          const GoogleServiceAuthError& error) override {
     OnServiceResponce(request, std::string());
   }
 
  private:
   void OnServiceResponce(const OAuth2TokenService::Request* request,
                          const std::string& access_token) {
     for (Requests::iterator i = requests_.begin(); i != requests_.end(); ++i) {
-      if (i->second == request) {
+      if (i->second.get() == request) {
         handler_->SendAccessToken(i->first, access_token);
         requests_.erase(i);
         return;
       }
     }
     NOTREACHED();
   }
 
-  typedef std::map<std::string,
-                   linked_ptr<OAuth2TokenService::Request> > Requests;
+  using Requests =
+      std::map<std::string, scoped_ptr<OAuth2TokenService::Request>>;
   Requests requests_;
   PrintPreviewHandler* handler_;
 
   DISALLOW_COPY_AND_ASSIGN(AccessTokenService);
 };
 
 PrintPreviewHandler::PrintPreviewHandler()
     : regenerate_preview_request_count_(0),
       manage_printers_dialog_request_count_(0),
       manage_cloud_printers_dialog_request_count_(0),
@@ skipping 1206 matching lines @@
 
 void PrintPreviewHandler::UnregisterForGaiaCookieChanges() {
   if (gaia_cookie_manager_service_)
     gaia_cookie_manager_service_->RemoveObserver(this);
 }
 
 void PrintPreviewHandler::SetPdfSavedClosureForTesting(
     const base::Closure& closure) {
   pdf_file_saved_closure_ = closure;
 }