Remove apparently spurious DCHECK

webkit/glue/resource_request_body.cc

 // Copyright (c) 2012 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.
 
 #include "webkit/glue/resource_request_body.h"
 
 #include "base/logging.h"
 #include "net/base/upload_bytes_element_reader.h"
 #include "net/base/upload_data_stream.h"
 #include "net/base/upload_file_element_reader.h"
@@ skipping 133 matching lines @@
 }
 
 ResourceRequestBody::~ResourceRequestBody() {}
 
 void ResourceRequestBody::ResolveBlobReference(
     webkit_blob::BlobStorageController* blob_controller,
     const GURL& blob_url,
     std::vector<const Element*>* resolved_elements) {
   DCHECK(blob_controller);
   BlobData* blob_data = blob_controller->GetBlobDataFromUrl(blob_url);
-  DCHECK(blob_data);
   if (!blob_data)
     return;
 
   // If there is no element in the referred blob data, just return.
   if (blob_data->items().empty())
     return;
 
   // Ensure the blob and any attached shareable files survive until
   // upload completion.
   SetUserData(blob_data, new base::UserDataAdapter<BlobData>(blob_data));
 
   // Append the elements in the referred blob data.
   for (size_t i = 0; i < blob_data->items().size(); ++i) {
     const BlobData::Item& item = blob_data->items().at(i);
     DCHECK_NE(BlobData::Item::TYPE_BLOB, item.type());
     resolved_elements->push_back(&item);
   }
 }
 
 }  // namespace webkit_glue