Revert of Fix MultibufferDataSource::GetSize

media/blink/resource_multibuffer_data_provider.cc

 // Copyright 2015 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 "media/blink/resource_multibuffer_data_provider.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 384 matching lines @@
     int64_t total_encoded_data_length) {
   DVLOG(1) << "didFinishLoading";
   DCHECK(active_loader_.get());
   DCHECK(!Available());
 
   // We're done with the loader.
   active_loader_.reset();
 
   // If we didn't know the |instance_size_| we do now.
   int64_t size = byte_pos();
+  if (!fifo_.empty())
+    size += fifo_.back()->data_size();
 
   // This request reports something smaller than what we've seen in the past,
   // Maybe it's transient error?
   if (url_data_->length() != kPositionNotSpecified &&
       size < url_data_->length()) {
     if (retries_ < kMaxRetries) {
       DVLOG(1) << " Partial data received.... @ pos = " << size;
       retries_++;
       base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
           FROM_HERE, base::Bind(&ResourceMultiBufferDataProvider::Start,
@@ skipping 111 matching lines @@
   }
 
   if (byte_pos() != first_byte_position) {
     return false;
   }
 
   return true;
 }
 
 }  // namespace media