Revert 36541 (which went in without any commit log by some black magic). ...

chrome/renderer/render_view.h

Index: chrome/renderer/render_view.h
===================================================================
--- chrome/renderer/render_view.h	(revision 36549)
+++ chrome/renderer/render_view.h	(working copy)
@@ -436,15 +436,9 @@
 
   PageTranslator* page_translator() const { return page_translator_.get(); }
 
-  // Returns the ISO 639 language code of the current page (e.g. en, fr, zh).
-  // If ISO 639-1 code is not available for the language, ISO 639-2 3-letter code
-  // will be returned (e.g. kha for Khasi and und for undtermined). For traditional
-  // Chinse, 'zh-TW' will be returned while for simplified Chinse, 'zh' will be
-  // returned.
-  // TODO(jungshik): Make it return 'he' (the correct ISO 639 code for Hebrew)
-  // instead of the obsolete 'iw'. Perhaps, it's also better to return 'zh-Hans'
-  // (or 'zh-CN') for Simplified Chinese instead of 'zh' to be aligned with
-  // 'zh-TW' for Traditional Chinse.
+  // Returns the ISO 639_1 language code of the current page
+  // (ex: en, fr, zh...).  Returns 'unknown' if the language could not be
+  // determined.
   std::string DetectLanguage();
 
  protected: