Add support for WebURLRequest::TargetIsXHR (part I)

webkit/glue/resource_type.h

Index: webkit/glue/resource_type.h
diff --git a/webkit/glue/resource_type.h b/webkit/glue/resource_type.h
index e9ae3b6e8bb7474c5bcbb4f278446322fae2d5ff..ebe7c8c4e1c760c28d45280d94f7dcb3d0a642e6 100644
--- a/webkit/glue/resource_type.h
+++ b/webkit/glue/resource_type.h
@@ -25,6 +25,7 @@ class ResourceType {
     PREFETCH,        // an explicitly requested prefetch
     PRERENDER,       // an explicitly requested prerender
     FAVICON,         // a favicon
+    XHR,             // a XMLHttpRequest
     LAST_TYPE        // Place holder so we don't need to change ValidType
                      // everytime.
   };
@@ -51,7 +52,8 @@ class ResourceType {
            type == IMAGE ||
            type == FONT_RESOURCE ||
            type == SUB_RESOURCE ||
-           type == WORKER;
+           type == WORKER ||
+           type == XHR;
   }
 
  private: