Stop sharing BaseSearchProvider::OnURLFetchComplete between 2 providers

chrome/browser/autocomplete/zero_suggest_provider.h

Index: chrome/browser/autocomplete/zero_suggest_provider.h
diff --git a/chrome/browser/autocomplete/zero_suggest_provider.h b/chrome/browser/autocomplete/zero_suggest_provider.h
index 23dc2fe1e6d8217ed75dc94f74098062df029a57..5c7b9f7287cea6d4d3c9a526ea3dea91a910d6ba 100644
--- a/chrome/browser/autocomplete/zero_suggest_provider.h
+++ b/chrome/browser/autocomplete/zero_suggest_provider.h
@@ -21,7 +21,9 @@
 #include "chrome/browser/autocomplete/search_provider.h"
 #include "chrome/browser/history/history_types.h"
 #include "components/metrics/proto/omnibox_event.pb.h"
+#include "net/url_request/url_fetcher_delegate.h"
 
+class AutocompleteProviderListener;
 class TemplateURLService;
 
 namespace base {
@@ -47,7 +49,8 @@ class PrefRegistrySyncable;
 // TODO(jered): Consider deleting this class and building this functionality
 // into SearchProvider after dogfood and after we break the association between
 // omnibox text and suggestions.
-class ZeroSuggestProvider : public BaseSearchProvider {
+class ZeroSuggestProvider : public BaseSearchProvider,
+                            public net::URLFetcherDelegate {
  public:
   // Creates and returns an instance of this provider.
   static ZeroSuggestProvider* Create(AutocompleteProviderListener* listener,
@@ -78,21 +81,22 @@ class ZeroSuggestProvider : public BaseSearchProvider {
   virtual ~ZeroSuggestProvider();
 
   // BaseSearchProvider:
-  virtual bool StoreSuggestionResponse(const std::string& json_data,
-                                       const base::Value& parsed_data) OVERRIDE;
   virtual const TemplateURL* GetTemplateURL(bool is_keyword) const OVERRIDE;
   virtual const AutocompleteInput GetInput(bool is_keyword) const OVERRIDE;
-  virtual SearchSuggestionParser::Results* GetResultsToFill(
-      bool is_keyword) OVERRIDE;
   virtual bool ShouldAppendExtraParams(
       const SearchSuggestionParser::SuggestResult& result) const OVERRIDE;
   virtual void StopSuggest() OVERRIDE;
   virtual void ClearAllResults() OVERRIDE;
-  virtual int GetDefaultResultRelevance() const OVERRIDE;
   virtual void RecordDeletionResult(bool success) OVERRIDE;
-  virtual void LogFetchComplete(bool success, bool is_keyword) OVERRIDE;
-  virtual bool IsKeywordFetcher(const net::URLFetcher* fetcher) const OVERRIDE;
-  virtual void UpdateMatches() OVERRIDE;
+
+  // net::URLFetcherDelegate:
+  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
+
+  // Optionally, cache the received |json_data| and return true if we want
+  // to stop processing results at this point. The |parsed_data| is the parsed
+  // version of |json_data| used to determine if we received an empty result.
+  bool StoreSuggestionResponse(const std::string& json_data,
+                               const base::Value& parsed_data);
 
   // Adds AutocompleteMatches for each of the suggestions in |results| to
   // |map|.
@@ -134,6 +138,8 @@ class ZeroSuggestProvider : public BaseSearchProvider {
   // populates |matches_| with cached results.
   void MaybeUseCachedSuggestions();
 
+  AutocompleteProviderListener* listener_;
+
   // The URL for which a suggestion fetch is pending.
   std::string current_query_;