Create blobs from Disk Cache entries.

storage/browser/blob/blob_data_builder.h

Index: storage/browser/blob/blob_data_builder.h
diff --git a/storage/browser/blob/blob_data_builder.h b/storage/browser/blob/blob_data_builder.h
index 8119538c07e10ffe2903eea690c4720f1ad269e5..ac41f954b87c2e0d44f97411cf343f9626067449 100644
--- a/storage/browser/blob/blob_data_builder.h
+++ b/storage/browser/blob/blob_data_builder.h
@@ -12,6 +12,7 @@
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
+#include "net/disk_cache/disk_cache.h"
 #include "storage/browser/blob/blob_data_item.h"
 #include "storage/browser/blob/blob_data_snapshot.h"
 #include "storage/browser/storage_browser_export.h"
@@ -49,6 +50,8 @@ class STORAGE_EXPORT BlobDataBuilder {
                             uint64_t length,
                             const base::Time& expected_modification_time);
 
+  void AppendDiskCacheEntry(disk_cache::ScopedEntryPtr entry, int index);
+
   void set_content_type(const std::string& content_type) {
     content_type_ = content_type;
   }