Fix translate namespace

components/translate/core/browser/translate_download_manager.h

Index: components/translate/core/browser/translate_download_manager.h
diff --git a/components/translate/core/browser/translate_download_manager.h b/components/translate/core/browser/translate_download_manager.h
index ed8e04b1c42d74b7fba3d22c645df0429b7babc9..728a58e2fa116fa9cd07c07f9b5dc8a3a435ef2b 100644
--- a/components/translate/core/browser/translate_download_manager.h
+++ b/components/translate/core/browser/translate_download_manager.h
@@ -17,6 +17,8 @@ template <typename T> struct DefaultSingletonTraits;
 
 class PrefService;
 
+namespace translate {
+
 // Manages the downloaded resources for Translate, such as the translate script
 // and the language list.
 class TranslateDownloadManager {
@@ -101,4 +103,6 @@ class TranslateDownloadManager {
   scoped_refptr<net::URLRequestContextGetter> request_context_;
 };
 
+}  // namespace translate
+
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_DOWNLOAD_MANAGER_H_