Plumb the referrer throughout the OpenURL APIs....

chrome/common/render_messages.h

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_COMMON_RENDER_MESSAGES_H_
 #define CHROME_COMMON_RENDER_MESSAGES_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 23 matching lines @@
 struct ViewMsg_Navigate_Params {
   // The page_id for this navigation, or -1 if it is a new navigation.  Back,
   // Forward, and Reload navigations should have a valid page_id.  If the load
   // succeeds, then this page_id will be reflected in the resultant
   // ViewHostMsg_FrameNavigate message.
   int32 page_id;
 
   // The URL to load.
   GURL url;
 
+  // The URL to send in the "Referer" header field. Can be empty if there is
+  // no referrer.
+  GURL referrer;
+
   // The type of transition.
   PageTransition::Type transition;
 
   // Opaque history state (received by ViewHostMsg_UpdateState).
   std::string state;
 
   // Specifies if the URL should be loaded using 'reload' semantics (i.e.,
   // bypassing any locally cached content).
   bool reload;
 };
@@ skipping 688 matching lines @@
   }
 };
 
 // Traits for ViewMsg_Navigate_Params structure to pack/unpack.
 template <>
 struct ParamTraits<ViewMsg_Navigate_Params> {
   typedef ViewMsg_Navigate_Params param_type;
   static void Write(Message* m, const param_type& p) {
     WriteParam(m, p.page_id);
     WriteParam(m, p.url);
+    WriteParam(m, p.referrer);
     WriteParam(m, p.transition);
     WriteParam(m, p.state);
     WriteParam(m, p.reload);
   }
   static bool Read(const Message* m, void** iter, param_type* p) {
     return
       ReadParam(m, iter, &p->page_id) &&
       ReadParam(m, iter, &p->url) &&
+      ReadParam(m, iter, &p->referrer) &&
       ReadParam(m, iter, &p->transition) &&
       ReadParam(m, iter, &p->state) &&
       ReadParam(m, iter, &p->reload);
   }
   static void Log(const param_type& p, std::wstring* l) {
     l->append(L"(");
     LogParam(p.page_id, l);
     l->append(L", ");
     LogParam(p.url, l);
     l->append(L", ");
@@ skipping 871 matching lines @@
       ReadParam(m, iter, &p->file_contents);
   }
   static void Log(const param_type& p, std::wstring* l) {
     l->append(L"<WebDropData>");
   }
 };
 
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_RENDER_MESSAGES_H_