Let TextTrackResource be a RawResource

Source/core/fetch/TextTrackResource.cpp

Index: Source/core/fetch/TextTrackResource.cpp
diff --git a/Source/core/fetch/TextTrackResource.cpp b/Source/core/fetch/TextTrackResource.cpp
index 5093d7e26d3e5be2f543be5bdad9e239e60f412c..e20d71640d4ef2945431c3d903e3f37dcb4fc26a 100644
--- a/Source/core/fetch/TextTrackResource.cpp
+++ b/Source/core/fetch/TextTrackResource.cpp
@@ -33,7 +33,7 @@
 namespace WebCore {
 
 TextTrackResource::TextTrackResource(const ResourceRequest& resourceRequest)
-    : Resource(resourceRequest, TextTrack)
+    : RawResource(resourceRequest, TextTrack)
 {
 }
 
@@ -41,13 +41,4 @@ TextTrackResource::~TextTrackResource()
 {
 }
 
-void TextTrackResource::appendData(const char* data, int length)
-{
-    Resource::appendData(data, length);
-    ResourceClientWalker<ResourceClient> walker(m_clients);
-    while (ResourceClient *client = walker.next())
-        client->deprecatedDidReceiveResource(this);
-}
-
 }
-