Prepare to add more initiator info to CachedResource(Request)

Source/core/loader/TextTrackLoader.cpp

Index: Source/core/loader/TextTrackLoader.cpp
diff --git a/Source/core/loader/TextTrackLoader.cpp b/Source/core/loader/TextTrackLoader.cpp
index 1fa9ac449ef5a8b4d00fbb3ecb1da88e06eb36de..85f63bbd4605c5dd5baa5dd3823a8f82368fd97f 100644
--- a/Source/core/loader/TextTrackLoader.cpp
+++ b/Source/core/loader/TextTrackLoader.cpp
@@ -33,6 +33,7 @@
 #include "core/loader/CrossOriginAccessControl.h"
 #include "core/loader/cache/CachedResourceLoader.h"
 #include "core/loader/cache/CachedResourceRequest.h"
+#include "core/loader/cache/CachedResourceRequestInitiators.h"
 #include "core/loader/cache/CachedTextTrack.h"
 #include "core/platform/Logging.h"
 #include "core/platform/SharedBuffer.h"
@@ -153,7 +154,7 @@ bool TextTrackLoader::load(const KURL& url, const String& crossOriginMode)
 
     ASSERT(m_scriptExecutionContext->isDocument());
     Document* document = toDocument(m_scriptExecutionContext);
-    CachedResourceRequest cueRequest(ResourceRequest(document->completeURL(url)));
+    CachedResourceRequest cueRequest(ResourceRequest(document->completeURL(url)), cachedResourceRequestInitiators().texttrack);
 
     if (!crossOriginMode.isNull()) {
         m_crossOriginMode = crossOriginMode;