Merge: Allow offsets in blobs larger than 2GB on 32 bit Chromium builds.

storage/browser/blob/blob_storage_context.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef STORAGE_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_
 #define STORAGE_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 104 matching lines @@
   // wasn't enough memory to hold the item.
   bool AppendAllocatedBlobItem(const std::string& target_blob_uuid,
                                scoped_refptr<BlobDataItem> data_item,
                                InternalBlobData::Builder* target_blob_data);
 
   // Deconstructs the blob and appends it's contents to the target blob.  Items
   // are shared if possible, and copied if the given offset and length
   // have to split an item.
   bool AppendBlob(const std::string& target_blob_uuid,
                   const InternalBlobData& blob,
-                  size_t offset,
-                  size_t length,
+                  uint64_t offset,
+                  uint64_t length,
                   InternalBlobData::Builder* target_blob_data);
 
   bool IsInUse(const std::string& uuid);
   bool IsBeingBuilt(const std::string& uuid);
   bool IsUrlRegistered(const GURL& blob_url);
 
   BlobMap blob_map_;
   BlobURLMap public_blob_urls_;
 
   // Used to keep track of how much memory is being utilized for blob data,
   // we count only the items of TYPE_DATA which are held in memory and not
   // items of TYPE_FILE.
   size_t memory_usage_;
 
   DISALLOW_COPY_AND_ASSIGN(BlobStorageContext);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_