base: Remove OwningMRUCache in favor of scoped_ptrs in MRUCache

ios/chrome/browser/favicon/large_icon_cache.cc

Index: ios/chrome/browser/favicon/large_icon_cache.cc
diff --git a/ios/chrome/browser/favicon/large_icon_cache.cc b/ios/chrome/browser/favicon/large_icon_cache.cc
index 2841a675db0653d7b1150e65b5652ca659c37c17..b05b79b9946889b7ec3193ca48db48b7a767dcea 100644
--- a/ios/chrome/browser/favicon/large_icon_cache.cc
+++ b/ios/chrome/browser/favicon/large_icon_cache.cc
@@ -28,9 +28,9 @@ LargeIconCache::~LargeIconCache() {}
 void LargeIconCache::SetCachedResult(
     const GURL& url,
     const favicon_base::LargeIconResult& result) {
-  LargeIconCacheEntry* entry = new LargeIconCacheEntry;
+  scoped_ptr<LargeIconCacheEntry> entry(new LargeIconCacheEntry);
   entry->result = CloneLargeIconResult(result);
-  cache_.Put(url, entry);
+  cache_.Put(url, std::move(entry));
 }
 
 scoped_ptr<favicon_base::LargeIconResult> LargeIconCache::GetCachedResult(