Move SafeBrowsingUIManager::UnsafeResource to security_interstitials namespace

chrome/browser/safe_browsing/browser_feature_extractor.h

Index: chrome/browser/safe_browsing/browser_feature_extractor.h
diff --git a/chrome/browser/safe_browsing/browser_feature_extractor.h b/chrome/browser/safe_browsing/browser_feature_extractor.h
index 42d6bfbfbfca12f11dd7e32ecf6f7565059db127..d7c911497b1ca78b80a7394bee6fb26b3b7a90d2 100644
--- a/chrome/browser/safe_browsing/browser_feature_extractor.h
+++ b/chrome/browser/safe_browsing/browser_feature_extractor.h
@@ -69,7 +69,7 @@ struct BrowseInfo {
 
   // If a SafeBrowsing interstitial was shown for the current URL
   // this will contain the UnsafeResource struct for that URL.
-  std::unique_ptr<SafeBrowsingUIManager::UnsafeResource> unsafe_resource;
+  std::unique_ptr<security_interstitials::UnsafeResource> unsafe_resource;
 
   // List of redirects that lead to the first page on the current host and
   // the current url respectively. These may be the same if the current url