Split header modification out of willSendRequest

third_party/WebKit/Source/core/loader/PingLoader.cpp

Index: third_party/WebKit/Source/core/loader/PingLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/PingLoader.cpp b/third_party/WebKit/Source/core/loader/PingLoader.cpp
index e9cddb9b2385cf0f7c36e00878fa6207edcae0d6..918d626ab45da7eb702e215b0db8ab0a9f736dbe 100644
--- a/third_party/WebKit/Source/core/loader/PingLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/PingLoader.cpp
@@ -259,6 +259,7 @@ PingLoaderImpl::PingLoaderImpl(LocalFrame* frame,
 
   FetchInitiatorInfo initiatorInfo;
   initiatorInfo.name = initiator;
+  fetchContext.prepareRequest(m_identifier, request);
   fetchContext.dispatchWillSendRequest(m_identifier, request,
                                        ResourceResponse(), initiatorInfo);
 
@@ -332,8 +333,10 @@ bool PingLoaderImpl::willFollowRedirect(
     FetchInitiatorInfo initiatorInfo;
     initiatorInfo.name = m_initiator;
     FetchContext& fetchContext = frame()->document()->fetcher()->context();
+    fetchContext.prepareRequest(m_identifier,
+                                passedNewRequest.toMutableResourceRequest());
     fetchContext.dispatchWillSendRequest(
-        m_identifier, passedNewRequest.toMutableResourceRequest(),
+        m_identifier, passedNewRequest.toResourceRequest(),
         passedRedirectResponse.toResourceResponse(), initiatorInfo);
   }