Make safe browsing work in a multi-profile environment.

chrome/browser/safe_browsing/safe_browsing_service.h

Index: chrome/browser/safe_browsing/safe_browsing_service.h
===================================================================
--- chrome/browser/safe_browsing/safe_browsing_service.h	(revision 89656)
+++ chrome/browser/safe_browsing/safe_browsing_service.h	(working copy)
@@ -150,7 +150,7 @@
 
   // Called on UI thread to decide if the download file's sha256 hash
   // should be calculated for safebrowsing.
-  bool DownloadBinHashNeeded() const;
+  bool DownloadBinHashNeeded(bool safe_browsing_enabled) const;
 
   // Called on the IO thread to check if the given url is safe or not.  If we
   // can synchronously determine that the url is safe, CheckUrl returns true.
@@ -265,7 +265,8 @@
                                      const GURL& referrer_url,
                                      bool is_subresource,
                                      UrlCheckResult threat_type,
-                                     const std::string& post_data);
+                                     const std::string& post_data,
+                                     bool safe_browsing_enabled);
 
  protected:
   // Creates the safe browsing service.  Need to initialize before using.