extensions: Refactor ExtensionInstallUI class.

chrome/browser/extensions/extension_install_ui.cc

Index: chrome/browser/extensions/extension_install_ui.cc
diff --git a/chrome/browser/extensions/extension_install_ui.cc b/chrome/browser/extensions/extension_install_ui.cc
index ec50d16b643fa56330f0646d4aa153a57edfc83a..04bb06c1181bb97851b783c244772015139af18e 100644
--- a/chrome/browser/extensions/extension_install_ui.cc
+++ b/chrome/browser/extensions/extension_install_ui.cc
@@ -14,7 +14,6 @@
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_window.h"
-#include "chrome/browser/extensions/extension_install_dialog.h"
 #include "chrome/browser/extensions/extension_install_dialog2.h"
 #include "chrome/browser/extensions/theme_installed_infobar_delegate.h"
 #include "chrome/browser/platform_util.h"
@@ -230,11 +229,6 @@ void ExtensionInstallUI::OnImageLoaded(
           profile_, delegate_, extension_, &icon_, warnings, prompt_type_);
       break;
     }
-    case UNINSTALL_PROMPT: {
-      ShowExtensionInstallDialog(
-          profile_, delegate_, extension_, &icon_, UNINSTALL_PROMPT);
-      break;
-    }
     default:
       NOTREACHED() << "Unknown message";
       break;