Add ErrorConsole UI for Extension Install Warnings

chrome/browser/ui/webui/extensions/extensions_ui.cc

Index: chrome/browser/ui/webui/extensions/extensions_ui.cc
diff --git a/chrome/browser/ui/webui/extensions/extensions_ui.cc b/chrome/browser/ui/webui/extensions/extensions_ui.cc
index 7d7c9fadc6f1e84854affa8f4325159eee75dc5f..6fd8604c5bf1d9e2adbe76d703775b25208b4ada 100644
--- a/chrome/browser/ui/webui/extensions/extensions_ui.cc
+++ b/chrome/browser/ui/webui/extensions/extensions_ui.cc
@@ -6,6 +6,7 @@
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/extensions/command_handler.h"
+#include "chrome/browser/ui/webui/extensions/extension_error_handler.h"
 #include "chrome/browser/ui/webui/extensions/extension_settings_handler.h"
 #include "chrome/browser/ui/webui/extensions/install_extension_handler.h"
 #include "chrome/browser/ui/webui/extensions/pack_extension_handler.h"
@@ -58,6 +59,11 @@ ExtensionsUI::ExtensionsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
   commands_handler->GetLocalizedValues(source);
   web_ui->AddMessageHandler(commands_handler);
 
+  ExtensionErrorHandler* extension_error_handler =
+      new ExtensionErrorHandler(profile);
+  extension_error_handler->GetLocalizedValues(source);
+  web_ui->AddMessageHandler(extension_error_handler);
+
   InstallExtensionHandler* install_extension_handler =
       new InstallExtensionHandler();
   install_extension_handler->GetLocalizedValues(source);