Store xsrf token received with psuggest results.

chrome/browser/autocomplete/search_provider.h

Index: chrome/browser/autocomplete/search_provider.h
diff --git a/chrome/browser/autocomplete/search_provider.h b/chrome/browser/autocomplete/search_provider.h
index 30e601cebd44da85b30f91022f326a4ec04b063d..0bbbcb10e7dcdadda8421ecfa580ae72adb36cec 100644
--- a/chrome/browser/autocomplete/search_provider.h
+++ b/chrome/browser/autocomplete/search_provider.h
@@ -89,6 +89,7 @@ class SearchProvider : public AutocompleteProvider,
       const TemplateURL* template_url,
       const string16& query_string,
       const std::string& suggest_query_params,
+      const std::string& xsrf_token,

[Peter Kasting, 2013/10/31 23:54:46]

Don't pass this in if no callers but SearchProvider itself care about it. 
Instead set it appropriately on the caller side.

       int accepted_suggestion,
       int omnibox_start_margin,
       bool append_extra_query_params);
@@ -227,6 +228,7 @@ class SearchProvider : public AutocompleteProvider,
                   const string16& match_contents,
                   const string16& annotation,
                   const std::string& suggest_query_params,
+                  const std::string& xsrf_token,
                   bool from_keyword_provider,
                   int relevance,
                   bool relevance_from_server,
@@ -239,6 +241,7 @@ class SearchProvider : public AutocompleteProvider,
     const std::string& suggest_query_params() const {
       return suggest_query_params_;
     }
+    const std::string& xsrf_token() const { return xsrf_token_; }
     bool should_prefetch() const { return should_prefetch_; }
 
     // Result:
@@ -262,6 +265,10 @@ class SearchProvider : public AutocompleteProvider,
     // Optional additional parameters to be added to the search URL.
     std::string suggest_query_params_;
 
+    // Optional xsrf token provided with personalized suggestions and needed
+    // for a deletion request.
+    std::string xsrf_token_;
+
     // Should this result be prefetched?
     bool should_prefetch_;
   };
@@ -500,6 +507,7 @@ class SearchProvider : public AutocompleteProvider,
                      const string16& query_string,
                      int accepted_suggestion,
                      const std::string& suggest_query_params,
+                     const std::string& xsrf_token,
                      MatchMap* map);
 
   // Returns an AutocompleteMatch for a navigational suggestion.