Fix translate namespace

components/translate/core/browser/translate_infobar_delegate.h

Index: components/translate/core/browser/translate_infobar_delegate.h
diff --git a/components/translate/core/browser/translate_infobar_delegate.h b/components/translate/core/browser/translate_infobar_delegate.h
index cf538253cb1afc02440be18bfe79bf91c1461e7a..ab1bcc9bac836a216291735e42b5bb7a871b8a78 100644
--- a/components/translate/core/browser/translate_infobar_delegate.h
+++ b/components/translate/core/browser/translate_infobar_delegate.h
@@ -19,14 +19,16 @@
 #include "components/translate/core/common/translate_constants.h"
 #include "components/translate/core/common/translate_errors.h"
 
-class TranslateClient;
-class TranslateDriver;
-class TranslateManager;
-
 namespace infobars {
 class InfoBarManager;
 }
 
+namespace translate {
+
+class TranslateClient;
+class TranslateDriver;
+class TranslateManager;
+
 class TranslateInfoBarDelegate : public infobars::InfoBarDelegate {
  public:
   // The types of background color animations.
@@ -218,4 +220,6 @@ class TranslateInfoBarDelegate : public infobars::InfoBarDelegate {
   DISALLOW_COPY_AND_ASSIGN(TranslateInfoBarDelegate);
 };
 
+}  // namespace translate
+
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_INFOBAR_DELEGATE_H_