Improve retry support for media network loading.

media/blink/resource_multibuffer_data_provider.h

Index: media/blink/resource_multibuffer_data_provider.h
diff --git a/media/blink/resource_multibuffer_data_provider.h b/media/blink/resource_multibuffer_data_provider.h
index ee5a9e80538dca2e58254c302613c73b339d9c0b..75df5c55adcc069f6e69249d22d67b2163a6b658 100644
--- a/media/blink/resource_multibuffer_data_provider.h
+++ b/media/blink/resource_multibuffer_data_provider.h
@@ -28,6 +28,9 @@ class MEDIA_BLINK_EXPORT ResourceMultiBufferDataProvider
     : NON_EXPORTED_BASE(public MultiBuffer::DataProvider),
       NON_EXPORTED_BASE(public blink::WebURLLoaderClient) {
  public:
+  // NUmber of times we'll retry if the connection fails.
+  enum { kMaxRetries = 30 };
+
   ResourceMultiBufferDataProvider(UrlData* url_data, MultiBufferBlockId pos);
   ~ResourceMultiBufferDataProvider() override;