Drop support for Compact Language Detector v1.

chrome/browser/ui/webui/translate_internals/translate_internals_ui.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/webui/translate_internals/translate_internals_ui.h"
 
 #include <memory>
 #include <string>
 #include <vector>
 
@@ skipping 44 matching lines @@
   GetLanguages(&langs);
   for (base::DictionaryValue::Iterator it(langs); !it.IsAtEnd(); it.Advance()) {
     std::string key = "language-" + it.key();
     std::string value;
     it.value().GetAsString(&value);
     source->AddString(key, value);
   }
 
   std::string cld_version = "";
   std::string cld_data_source = "";
-  // The version strings are hardcoded here to avoid linking with the CLD
+  // The version string is hardcoded here to avoid linking with the CLD
   // library, see http://crbug.com/297777.
-#if CLD_VERSION==1
-  cld_version = "1.6";
-  cld_data_source = "static"; // CLD1.x does not support dynamic data loading
-#elif CLD_VERSION==2
   cld_version = "2";
   cld_data_source = translate::CldDataSource::Get()->GetName();
-#else
-  NOTREACHED();
-#endif
   source->AddString("cld-version", cld_version);
   source->AddString("cld-data-source", cld_data_source);
 
   return source;
 }
 
 }  // namespace
 
 TranslateInternalsUI::TranslateInternalsUI(content::WebUI* web_ui)
     : WebUIController(web_ui) {
   web_ui->AddMessageHandler(new TranslateInternalsHandler);
 
   Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource::Add(profile, CreateTranslateInternalsHTMLSource());
 }