Media Galleries API Picasa: Make PicasaDataProvider handle async PMP and INI parsing robustly.

chrome/common/media_galleries/picasa_types.h

Index: chrome/common/media_galleries/picasa_types.h
diff --git a/chrome/common/media_galleries/picasa_types.h b/chrome/common/media_galleries/picasa_types.h
index 6369c0af9d4249c6abf7bfa0f09b39fafd4eb990..5e54c0b4c899ac3085832ffd72a9dfa2ae82e6a7 100644
--- a/chrome/common/media_galleries/picasa_types.h
+++ b/chrome/common/media_galleries/picasa_types.h
@@ -22,13 +22,19 @@ struct AlbumInfo;
 //   Bar.jpg -> /path/to/Bar.jpg
 //   Foo.jpg -> /path/to/Foo.jpg
 //   Foo (1).jpg -> /path/to/another/Foo.jpg
+// TODO(tommycli): Rename this type to a more intuitive name.
 typedef std::map<std::string, base::FilePath> AlbumImages;
 typedef std::set<std::string> AlbumUIDSet;
 // Map of album uids to a collection of its images.
 typedef std::map<std::string, AlbumImages> AlbumImagesMap;
 typedef std::map<std::string, AlbumInfo> AlbumMap;
 
-const char kPicasaAlbumTableName[] = "albumdata";
+extern const char kPicasaAlbumTableName[];
+extern const char kAlbumTokenPrefix[];
+
+extern const uint32 kAlbumCategoryAlbum;
+extern const uint32 kAlbumCategoryFolder;
+extern const uint32 kAlbumCategoryInvalid;
 
 struct AlbumInfo {
   AlbumInfo();