Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/media_galleries/fileapi/picasa_data_provider.cc

Index: chrome/browser/media_galleries/fileapi/picasa_data_provider.cc
diff --git a/chrome/browser/media_galleries/fileapi/picasa_data_provider.cc b/chrome/browser/media_galleries/fileapi/picasa_data_provider.cc
index df2a1fb87066f0a94d155e833de14ed753ca3b91..6b29db8c3cbbc7dd49a09c2b760260c692baa39e 100644
--- a/chrome/browser/media_galleries/fileapi/picasa_data_provider.cc
+++ b/chrome/browser/media_galleries/fileapi/picasa_data_provider.cc
@@ -85,14 +85,14 @@ std::unique_ptr<AlbumMap> PicasaDataProvider::GetFolders() {
   MediaFileSystemBackend::AssertCurrentlyOnMediaSequence();
   DCHECK(state_ == LIST_OF_ALBUMS_AND_FOLDERS_FRESH_STATE ||
          state_ == ALBUMS_IMAGES_FRESH_STATE);
-  return base::WrapUnique(new AlbumMap(folder_map_));
+  return base::MakeUnique<AlbumMap>(folder_map_);
 }
 
 std::unique_ptr<AlbumMap> PicasaDataProvider::GetAlbums() {
   MediaFileSystemBackend::AssertCurrentlyOnMediaSequence();
   DCHECK(state_ == LIST_OF_ALBUMS_AND_FOLDERS_FRESH_STATE ||
          state_ == ALBUMS_IMAGES_FRESH_STATE);
-  return base::WrapUnique(new AlbumMap(album_map_));
+  return base::MakeUnique<AlbumMap>(album_map_);
 }
 
 std::unique_ptr<AlbumImages> PicasaDataProvider::FindAlbumImages(
@@ -110,7 +110,7 @@ std::unique_ptr<AlbumImages> PicasaDataProvider::FindAlbumImages(
   }
 
   *error = base::File::FILE_OK;
-  return base::WrapUnique(new AlbumImages(it->second));
+  return base::MakeUnique<AlbumImages>(it->second);
 }
 
 void PicasaDataProvider::InvalidateData() {