Fix translate namespace

components/translate/content/browser/content_translate_driver.cc

Index: components/translate/content/browser/content_translate_driver.cc
diff --git a/components/translate/content/browser/content_translate_driver.cc b/components/translate/content/browser/content_translate_driver.cc
index 029976cdbe285ec920e2d07ff5a12c15e94098dc..429e8cbfe14bfee6aa54f6ce8f1eb51ca6376734 100644
--- a/components/translate/content/browser/content_translate_driver.cc
+++ b/components/translate/content/browser/content_translate_driver.cc
@@ -15,6 +15,8 @@
 #include "content/public/common/referrer.h"
 #include "url/gurl.h"
 
+namespace translate {
+
 ContentTranslateDriver::ContentTranslateDriver(
     content::NavigationController* nav_controller)
     : navigation_controller_(nav_controller),
@@ -105,3 +107,5 @@ void ContentTranslateDriver::OpenUrlInNewTab(const GURL& url) {
                                 false);
   navigation_controller_->GetWebContents()->OpenURL(params);
 }
+
+}  // namespace translate