Initial Fetch integration for Subresource Integrity

Source/modules/fetch/FetchRequestData.cpp

Index: Source/modules/fetch/FetchRequestData.cpp
diff --git a/Source/modules/fetch/FetchRequestData.cpp b/Source/modules/fetch/FetchRequestData.cpp
index 5a8cb5139a7ecbab9ee443544da7284df412982c..38e3689f6eb80a640edae6b6723042fd5060adf8 100644
--- a/Source/modules/fetch/FetchRequestData.cpp
+++ b/Source/modules/fetch/FetchRequestData.cpp
@@ -55,6 +55,7 @@ FetchRequestData* FetchRequestData::cloneExceptBody()
     request->m_credentials = m_credentials;
     request->m_responseTainting = m_responseTainting;
     request->m_mimeType = m_mimeType;
+    request->m_integrity = m_integrity;
     return request;
 }