Implement meta referrer (part 1/2)

content/common/request_extra_data.h

Index: content/common/request_extra_data.h
diff --git a/content/common/request_extra_data.h b/content/common/request_extra_data.h
index f93c587a28581d222ba53547d07e1f15796673ac..2dc1b2a59855827cb0fa22889fc3a1f056909d85 100644
--- a/content/common/request_extra_data.h
+++ b/content/common/request_extra_data.h
@@ -9,14 +9,15 @@
 #include "base/compiler_specific.h"
 #include "content/common/content_export.h"
 #include "content/public/common/page_transition_types.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h"
+#include "webkit/glue/weburlrequest_extradata_impl.h"
 
 // The RenderView stores an instance of this class in the "extra data" of each
 // ResourceRequest (see RenderView::willSendRequest).
 class CONTENT_EXPORT RequestExtraData
-    : NON_EXPORTED_BASE(public WebKit::WebURLRequest::ExtraData) {
+    : NON_EXPORTED_BASE(public webkit_glue::WebURLRequestExtraDataImpl) {
  public:
-  RequestExtraData(bool is_main_frame,
+  RequestExtraData(WebKit::WebReferrerPolicy referrer_policy,
+                   bool is_main_frame,
                    int64 frame_id,
                    bool parent_is_main_frame,
                    int64 parent_frame_id,