Fix tab restore for view-source Chrome extension pages.

content/public/browser/content_browser_client.cc

Index: content/public/browser/content_browser_client.cc
diff --git a/content/public/browser/content_browser_client.cc b/content/public/browser/content_browser_client.cc
index f625bd9194b9f70a972e6057e49dfbac4ca26b06..f9f587be5b12f72a55688107add330dbba06c116 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -63,6 +63,11 @@ bool ContentBrowserClient::ShouldLockToOrigin(BrowserContext* browser_context,
   return true;
 }
 
+void ContentBrowserClient::GetAdditionalViewSourceSchemes(
+    std::vector<std::string>* additional_schemes) {
+  GetAdditionalWebUISchemes(additional_schemes);
+}
+
 bool ContentBrowserClient::LogWebUIUrl(const GURL& web_ui_url) const {
   return false;
 }