Add the 'content' column to see what text is used to detect a language

chrome/common/render_messages.h

 // Copyright (c) 2012 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.
 
 // Multiply-included file, no traditional include guard.
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 234 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(deadSize)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(LanguageDetectionDetails)
   IPC_STRUCT_TRAITS_MEMBER(time)
   IPC_STRUCT_TRAITS_MEMBER(url)
   IPC_STRUCT_TRAITS_MEMBER(content_language)
   IPC_STRUCT_TRAITS_MEMBER(cld_language)
   IPC_STRUCT_TRAITS_MEMBER(is_cld_reliable)
   IPC_STRUCT_TRAITS_MEMBER(adopted_language)
+  IPC_STRUCT_TRAITS_MEMBER(contents)
 IPC_STRUCT_TRAITS_END()
 
 //-----------------------------------------------------------------------------
 // RenderView messages
 // These are messages sent from the browser to the renderer process.
 
 // Tells the renderer to set its maximum cache size to the supplied value.
 IPC_MESSAGE_CONTROL3(ChromeViewMsg_SetCacheCapacities,
                      size_t /* min_dead_capacity */,
                      size_t /* max_dead_capacity */,
@@ skipping 504 matching lines @@
 // previous SetCookie message to be processed.
 IPC_SYNC_MESSAGE_ROUTED2_1(ChromeViewHostMsg_GetCookies,
                            GURL /* url */,
                            GURL /* first_party_for_cookies */,
                            std::string /* cookies */)
 
 // Provide the browser process with current renderer framerate.
 IPC_MESSAGE_CONTROL2(ChromeViewHostMsg_FPS,
                      int /* routing id */,
                      float /* frames per second */)