AU: Try delta updates first, then full updates

src/platform/update_engine/action_processor.cc

 // Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "update_engine/action_processor.h"
+#include <string>
 #include "chromeos/obsolete_logging.h"
 #include "update_engine/action.h"
 
+using std::string;
+
 namespace chromeos_update_engine {
 
 ActionProcessor::ActionProcessor()
     : current_action_(NULL), delegate_(NULL) {}
 
 ActionProcessor::~ActionProcessor() {
   if (IsRunning()) {
     StopProcessing();
   }
   for (std::deque<AbstractAction*>::iterator it = actions_.begin();
@@ skipping 44 matching lines @@
                  " type " << old_type;
   } else if (!success) {
     LOG(INFO) << "ActionProcessor::ActionComplete: " << old_type
               << " action failed. Aborting processing.";
     actions_.clear();
   }
   if (actions_.empty()) {
     LOG(INFO) << "ActionProcessor::ActionComplete: finished last action of"
                  " type " << old_type;
     if (delegate_) {
-      delegate_->ProcessingDone(this);
+      delegate_->ProcessingDone(this, success);
     }
     return;
   }
   current_action_ = actions_.front();
   actions_.pop_front();
   LOG(INFO) << "ActionProcessor::ActionComplete: finished " << old_type
             << ", starting " << current_action_->Type();
   current_action_->PerformAction();
 }
 
 }  // namespace chromeos_update_engine