Media Galleries API: Audio/Video attached pictures support.

chrome/browser/extensions/api/media_galleries/media_galleries_api.h

Index: chrome/browser/extensions/api/media_galleries/media_galleries_api.h
diff --git a/chrome/browser/extensions/api/media_galleries/media_galleries_api.h b/chrome/browser/extensions/api/media_galleries/media_galleries_api.h
index ee876b21240360a30dfd75b4ab03831ecb61fa40..17c8711a83d57ed120fc11cbbfab0eaf03eae1ba 100644
--- a/chrome/browser/extensions/api/media_galleries/media_galleries_api.h
+++ b/chrome/browser/extensions/api/media_galleries/media_galleries_api.h
@@ -27,6 +27,7 @@ namespace MediaGalleries = extensions::api::media_galleries;
 class MediaGalleriesScanResultDialogController;
 
 namespace content {
+class BlobHandle;
 class WebContents;
 }
 
@@ -264,16 +265,23 @@ class MediaGalleriesGetMetadataFunction : public ChromeAsyncExtensionFunction {
 
  private:
   // Bottom half for RunAsync, invoked after the preferences is initialized.
-  void OnPreferencesInit(bool mime_type_only, const std::string& blob_uuid);
+  void OnPreferencesInit(MediaGalleries::GetMetadataType metadata_type,
+                         const std::string& blob_uuid);
 
-  void SniffMimeType(bool mime_type_only,
-                     const std::string& blob_uuid,
-                     scoped_ptr<std::string> blob_header,
-                     int64 total_blob_length);
+  void GetMetadata(MediaGalleries::GetMetadataType metadata_type,
+                   const std::string& blob_uuid,
+                   scoped_ptr<std::string> blob_header,
+                   int64 total_blob_length);
 
   void OnSafeMediaMetadataParserDone(
-      bool parse_success, scoped_ptr<base::DictionaryValue> metadata_dictionary,
+      bool parse_success, scoped_ptr<base::DictionaryValue> result_dictionary,
       scoped_ptr<std::vector<metadata::AttachedImage> > attached_images);
+
+  void ConstructNextBlob(
+      scoped_ptr<base::DictionaryValue> result_dictionary,
+      scoped_ptr<std::vector<metadata::AttachedImage> > attached_images,
+      scoped_ptr<std::vector<std::string> > blob_uuids,
+      scoped_ptr<content::BlobHandle> current_blob);
 };
 
 }  // namespace extensions