[BlobAsync] Disk support for blob storage

storage/browser/blob/blob_async_transport_request_builder.cc

Index: storage/browser/blob/blob_async_transport_request_builder.cc
diff --git a/storage/browser/blob/blob_async_transport_request_builder.cc b/storage/browser/blob/blob_async_transport_request_builder.cc
index a77d408ca8ffa34dd4ebea3e28b407520fe0cf5a..a55b2395b50184474cc501bdab94cbbe73cba353 100644
--- a/storage/browser/blob/blob_async_transport_request_builder.cc
+++ b/storage/browser/blob/blob_async_transport_request_builder.cc
@@ -8,6 +8,7 @@
 #include <algorithm>
 
 #include "base/numerics/safe_math.h"
+#include "base/strings/string_number_conversions.h"
 #include "storage/browser/blob/blob_async_transport_request_builder.h"
 #include "storage/common/blob_storage/blob_storage_constants.h"
 
@@ -61,7 +62,8 @@ class FileStorageStrategy {
     request.message.handle_offset = segment_offset;
 
     requests->push_back(request);
-    builder->AppendFutureFile(segment_offset, size);
+    builder->AppendFutureFile(segment_offset, size,
+                              base::SizeTToString(segment_index));
     current_item_index++;
   }
 
@@ -261,26 +263,6 @@ void BlobAsyncTransportRequestBuilder::InitializeForIPCRequests(
 }
 
 /* static */
-bool BlobAsyncTransportRequestBuilder::ShouldBeShortcut(
-    const std::vector<DataElement>& elements,
-    size_t memory_available) {
-  base::CheckedNumeric<size_t> shortcut_bytes = 0;
-  for (const auto& element : elements) {
-    DataElement::Type type = element.type();
-    if (type == DataElement::TYPE_BYTES_DESCRIPTION) {
-      return false;
-    }
-    if (type == DataElement::TYPE_BYTES) {
-      shortcut_bytes += element.length();
-      if (!shortcut_bytes.IsValid()) {
-        return false;
-      }
-    }
-  }
-  return shortcut_bytes.ValueOrDie() <= memory_available;
-}
-
-/* static */
 void BlobAsyncTransportRequestBuilder::ComputeHandleSizes(
     uint64_t total_memory_size,
     size_t max_segment_size,