Add a check to the registry before the intent infobar is shown.

chrome/browser/webdata/web_intents_table.h

Index: chrome/browser/webdata/web_intents_table.h
diff --git a/chrome/browser/webdata/web_intents_table.h b/chrome/browser/webdata/web_intents_table.h
index a54293090b6178ee6b85739a36ee6210c303dae8..f9402f32ebacb686f69712b221b51512701be327 100644
--- a/chrome/browser/webdata/web_intents_table.h
+++ b/chrome/browser/webdata/web_intents_table.h
@@ -38,18 +38,22 @@ class WebIntentsTable : public WebDatabaseTable {
   virtual bool Init();
   virtual bool IsSyncable();
 
-  // Adds a web intent to the WebIntents table. If intent already exists,
-  // replaces it.
+  // Adds a web intent service to the WebIntents table. If service
+  // already exists, replaces it.
   bool SetWebIntent(const WebIntentServiceData& intent);
 
-  // Retrieve all intents from WebIntents table that match |action|.
+  // Retrieves all services from WebIntents table that match |action|.
   bool GetWebIntents(const string16& action,
                      std::vector<WebIntentServiceData>* intents);
 
-  // Retrieve all intents from WebIntents table.
+  // Retrieves all services from WebIntents table that match |service_url|.
+  bool GetWebIntentsForURL(const string16& service_url,
+                           std::vector<WebIntentServiceData>* intents);
+
+  // Retrieves all services from WebIntents table.
   bool GetAllWebIntents(std::vector<WebIntentServiceData>* intents);
 
-  // Removes intent from WebIntents table - must match all parameters exactly.
+  // Removes service from WebIntents table - must match all parameters exactly.
   bool RemoveWebIntent(const WebIntentServiceData& intent);
 
  private: