fully cache small audio/video

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 434 matching lines @@
     } else {
       active_loader_ = nullptr;
       url_data_->Fail();
       return;  // "this" may be deleted now.
     }
   }
 
   url_data_->set_length(size);
   fifo_.push_back(DataBuffer::CreateEOSBuffer());
 
+  if (url_data_->url_index()) {
+    url_data_->url_index()->TryInsert(url_data_);
+  }
+
   DCHECK(Available());
   url_data_->multibuffer()->OnDataProviderEvent(this);
 
   // Beware, this object might be deleted here.
 }
 
 void ResourceMultiBufferDataProvider::DidFail(const WebURLError& error) {
   DVLOG(1) << "didFail: reason=" << error.reason
            << ", isCancellation=" << error.is_cancellation
            << ", domain=" << error.domain.Utf8().data()
@@ skipping 94 matching lines @@
   }
 
   if (byte_pos() != first_byte_position) {
     return false;
   }
 
   return true;
 }
 
 }  // namespace media