This CL makes the TranslationService class send the text to be translated to ...

chrome/common/render_messages.h

 // Copyright (c) 2009 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>
 #include <map>
@@ skipping 563 matching lines @@
 // another.
 struct ViewHostMsg_TranslateTextParam {
   // The routing id.  Even though ViewHostMsg_TranslateText is a control message
   // (sent to the browser, not to a specific RenderViewHost), the browser needs
   // the routing id in order to send the response back to the right RenderView.
   int routing_id;
 
   // An id used to identify that specific translation.
   int work_id;
 
+  // The id of the page this translation originated from.
+  int page_id;
+
   // The text chunks that need to be translated.
   std::vector<string16> text_chunks;
 
   // The ISO code of the language the text to translate is in.
   std::string from_language;
 
   // The ISO code of the language the text should be translated to.
   std::string to_language;
 
   // Whether a secure connection should be used when transmitting the text for
@@ skipping 1856 matching lines @@
     l->append(L")");
   }
 };
 
 template<>
 struct ParamTraits<ViewHostMsg_TranslateTextParam> {
   typedef ViewHostMsg_TranslateTextParam param_type;
   static void Write(Message* m, const param_type& p) {
     WriteParam(m, p.routing_id);
     WriteParam(m, p.work_id);
+    WriteParam(m, p.page_id);
     WriteParam(m, p.text_chunks);
     WriteParam(m, p.from_language);
     WriteParam(m, p.to_language);
     WriteParam(m, p.secure);
   }
 
   static bool Read(const Message* m, void** iter, param_type* p) {
     return
       ReadParam(m, iter, &p->routing_id) &&
       ReadParam(m, iter, &p->work_id) &&
+      ReadParam(m, iter, &p->page_id) &&
       ReadParam(m, iter, &p->text_chunks) &&
       ReadParam(m, iter, &p->from_language) &&
       ReadParam(m, iter, &p->to_language) &&
       ReadParam(m, iter, &p->secure);
   }
   static void Log(const param_type& p, std::wstring* l) {
     l->append(L"(");
     LogParam(p.routing_id, l);
     l->append(L", ");
     LogParam(p.work_id, l);
     l->append(L", ");
+    LogParam(p.page_id, l);
+    l->append(L", ");
     LogParam(p.text_chunks, l);
     l->append(L", ");
     LogParam(p.from_language, l);
     l->append(L", ");
     LogParam(p.to_language, l);
     l->append(L", ");
     LogParam(p.secure, l);
     l->append(L")");
   }
 };
 
 }  // namespace IPC
 
 
 #define MESSAGES_INTERNAL_FILE "chrome/common/render_messages_internal.h"
 #include "ipc/ipc_message_macros.h"
 
 #endif  // CHROME_COMMON_RENDER_MESSAGES_H_