Update SupportsUserData uses with unique_ptr.

chrome/browser/font_family_cache.cc

 // Copyright 2014 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/font_family_cache.h"
 
 #include <stddef.h>
 
 #include <map>
 
+#include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_font_webkit_names.h"
 #include "chrome/common/pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/notification_source.h"
 
 // Identifies the user data on the profile.
@@ skipping 10 matching lines @@
 FontFamilyCache::~FontFamilyCache() {
 }
 
 void FontFamilyCache::FillFontFamilyMap(Profile* profile,
                                         const char* map_name,
                                         content::ScriptFontFamilyMap* map) {
   FontFamilyCache* cache =
       static_cast<FontFamilyCache*>(profile->GetUserData(&kFontFamilyCacheKey));
   if (!cache) {
     cache = new FontFamilyCache(profile);
-    // The profile takes ownership of |cache|.
-    profile->SetUserData(&kFontFamilyCacheKey, cache);
+    profile->SetUserData(&kFontFamilyCacheKey, base::WrapUnique(cache));
   }
 
   cache->FillFontFamilyMap(map_name, map);
 }
 
 void FontFamilyCache::FillFontFamilyMap(const char* map_name,
                                         content::ScriptFontFamilyMap* map) {
   // TODO(falken): Get rid of the brute-force scan over possible
   // (font family / script) combinations - see http://crbug.com/308095.
   for (size_t i = 0; i < prefs::kWebKitScriptsForFontFamilyMapsLength; ++i) {
@@ skipping 74 matching lines @@
     }
   }
 }
 
 void FontFamilyCache::Observe(int type,
                               const content::NotificationSource& source,
                               const content::NotificationDetails& details) {
   DCHECK_EQ(chrome::NOTIFICATION_PROFILE_DESTROYED, type);
   profile_pref_registrar_.RemoveAll();
 }