Revert of Enable forced extension updates on NaCl arch mismatch

chrome/browser/extensions/updater/manifest_fetch_data.h

Index: chrome/browser/extensions/updater/manifest_fetch_data.h
diff --git a/chrome/browser/extensions/updater/manifest_fetch_data.h b/chrome/browser/extensions/updater/manifest_fetch_data.h
index 36a77c8497f296cfb1c0d7e0b2942cc4431fa0de..a7eab99fd290a0691fc9cfebe6c59b004b7cedf6 100644
--- a/chrome/browser/extensions/updater/manifest_fetch_data.h
+++ b/chrome/browser/extensions/updater/manifest_fetch_data.h
@@ -56,8 +56,7 @@
                     const std::string& version,
                     const PingData* ping_data,
                     const std::string& update_url_data,
-                    const std::string& install_source,
-                    bool force_update);
+                    const std::string& install_source);
 
   const GURL& base_url() const { return base_url_; }
   const GURL& full_url() const { return full_url_; }
@@ -76,9 +75,6 @@
   // fetch (in particular this adds all request ids associated with |other|
   // to this ManifestFetchData).
   void Merge(const ManifestFetchData& other);
-
-  // Returns |true| if a given extension was forced to update.
-  bool DidForceUpdate(const std::string& extension_id) const;
 
  private:
   // The set of extension id's for this ManifestFetchData.
@@ -100,9 +96,6 @@
   // one ManifestFetchData.
   std::set<int> request_ids_;
 
-  // The set of extension IDs for which this fetch forced a CRX update.
-  std::set<std::string> forced_updates_;
-
   DISALLOW_COPY_AND_ASSIGN(ManifestFetchData);
 };