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

chrome/renderer/translate/translate_helper.cc

Index: chrome/renderer/translate/translate_helper.cc
diff --git a/chrome/renderer/translate/translate_helper.cc b/chrome/renderer/translate/translate_helper.cc
index cf9804dd316ff086808365589f2baeb5b05f19a1..25971d243c16b21aac7f75eb2303c27127632308 100644
--- a/chrome/renderer/translate/translate_helper.cc
+++ b/chrome/renderer/translate/translate_helper.cc
@@ -124,6 +124,10 @@ void TranslateHelper::PageCaptured(const string16& contents) {
   details.is_cld_reliable = is_cld_reliable;
   details.adopted_language = language;
 
+  // TODO(hajimehoshi): If this affects performance, it should be set only if
+  // translate-internals tab exists.
+  details.contents = contents;
+
   Send(new ChromeViewHostMsg_TranslateLanguageDetermined(
       routing_id(),
       details,