Fail when uploading blob is non-existant

content/browser/loader/resource_dispatcher_host_impl.h

Index: content/browser/loader/resource_dispatcher_host_impl.h
diff --git a/content/browser/loader/resource_dispatcher_host_impl.h b/content/browser/loader/resource_dispatcher_host_impl.h
index 08add8413d7d4b6e469b5702128652c052c7fd18..e2ce95eb063367a724db6fc28afca9d7200fc4a4 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.h
+++ b/content/browser/loader/resource_dispatcher_host_impl.h
@@ -54,6 +54,7 @@ class HttpRequestHeaders;
 }
 
 namespace storage {
+class BlobStorageContext;
 class FileSystemContext;
 class ShareableFileReference;
 }
@@ -571,6 +572,7 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
   // decisions which could be time consuming. We allow for these decisions
   // to be made asynchronously. The request proceeds when we hear back from
   // the interceptors about whether to continue or not.
+  // The |blob_context| is always null if this is a navigation a stream request.
   // The |interceptor_result| indicates whether the request should be continued
   // or aborted, and in the latter case whether the renderer should be killed.
   void ContinuePendingBeginRequest(
@@ -582,6 +584,7 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
       const net::HttpRequestHeaders& headers,
       mojom::URLLoaderRequest mojo_request,
       mojom::URLLoaderClientPtr url_loader_client,
+      storage::BlobStorageContext* blob_context,
       HeaderInterceptorResult interceptor_result);
 
   // Creates a ResourceHandler to be used by BeginRequest() for normal resource