Added Protector, hooked up DSE verification with error bubble.

chrome/browser/search_engines/util.h

Index: chrome/browser/search_engines/util.h
diff --git a/chrome/browser/search_engines/util.h b/chrome/browser/search_engines/util.h
index e517ba609f50bdf7afcba4fec1e4308bd198b9e4..09f001fb89121ddfbc9d01e55ddf835ab3f086e5 100644
--- a/chrome/browser/search_engines/util.h
+++ b/chrome/browser/search_engines/util.h
@@ -40,4 +40,13 @@ void GetSearchProvidersUsingKeywordResult(
     const TemplateURL** default_search_provider,
     int* new_resource_keyword_version);
 
+// Returns true if the default search provider setting has been changed or
+// corrupted. Returns the backup setting in |backup_default_search_provider|.
+// |*backup_default_search_provider| can be NULL if the original setting is
+// lost.
+bool DidDefaultSearchProviderChange(
+    const WDTypedResult& result,
+    const std::vector<TemplateURL*>& template_urls,
+    const TemplateURL** backup_default_search_provider);
+
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_UTIL_H_