Move language detection to a component

components/translate/common/translate_constants.cc

Index: components/translate/common/translate_constants.cc
diff --git a/printing/image_android.cc b/components/translate/common/translate_constants.cc
similarity index 51%
copy from printing/image_android.cc
copy to components/translate/common/translate_constants.cc
index 544cf070d93f723ca2bd9a3a715863f13d98e76d..a51bb9349801d031f545cdbc037a8c8c34a98ac4 100644
--- a/printing/image_android.cc
+++ b/components/translate/common/translate_constants.cc
@@ -2,12 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "printing/image.h"
+#include "components/translate/common/translate_constants.h"
 
-namespace printing {
+namespace translate {
 
-bool Image::LoadMetafile(const Metafile& metafile) {
-  return false;
-}
+const char* const kUnknownLanguageCode = "und";
 
-}  // namespace printing
+}  // namespace translate