Refactored the translate infobars.

chrome/browser/tab_contents/infobar_delegate.h

Index: chrome/browser/tab_contents/infobar_delegate.h
diff --git a/chrome/browser/tab_contents/infobar_delegate.h b/chrome/browser/tab_contents/infobar_delegate.h
index 3c8b7145468a767f1784bf83329864444fe36821..fc18cabdd5e001d33492dd2ae5ad49af4d38e6ae 100644
--- a/chrome/browser/tab_contents/infobar_delegate.h
+++ b/chrome/browser/tab_contents/infobar_delegate.h
@@ -16,6 +16,7 @@ class ConfirmInfoBarDelegate;
 class CrashedExtensionInfoBarDelegate;
 class ExtensionInfoBarDelegate;
 class TranslateInfoBarDelegate;
+class TranslateInfoBarDelegate2;
 class InfoBar;
 class LinkInfoBarDelegate;
 class SkBitmap;
@@ -111,6 +112,9 @@ class InfoBarDelegate {
   virtual TranslateInfoBarDelegate* AsTranslateInfoBarDelegate() {
     return NULL;
   }
+  virtual TranslateInfoBarDelegate2* AsTranslateInfoBarDelegate2() {
+    return NULL;
+  }
 
   // Returns a pointer to the ExtensionInfoBarDelegate interface, if
   // implemented.