AU: Try delta updates first, then full updates

src/platform/update_engine/integration_unittest.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 <string>
 #include <vector>
 #include <glib.h>
 #include <pthread.h>
 #include <gtest/gtest.h>
 #include "update_engine/download_action.h"
@@ skipping 22 matching lines @@
 namespace {
 const char* kTestDir = "/tmp/update_engine-integration-test";
 
 class IntegrationTestProcessorDelegate : public ActionProcessorDelegate {
  public:
   IntegrationTestProcessorDelegate()
       : loop_(NULL), processing_done_called_(false) {}
   virtual ~IntegrationTestProcessorDelegate() {
     EXPECT_TRUE(processing_done_called_);
   }
-  virtual void ProcessingDone(const ActionProcessor* processor) {
+  virtual void ProcessingDone(const ActionProcessor* processor, bool success) {
     processing_done_called_ = true;
     g_main_loop_quit(loop_);
   }
 
   virtual void ActionCompleted(ActionProcessor* processor,
                                AbstractAction* action,
                                bool success) {
     // make sure actions always succeed
     EXPECT_TRUE(success);
 
@@ skipping 129 matching lines @@
       "/tmp/update_engine_test_postinst_out.txt",
       &file_data));
   EXPECT_EQ("POSTINST_DONE\n", file_data);
 
   // cleanup
   ASSERT_EQ(0, System(string("rm -rf ") + kTestDir));
   ASSERT_EQ(0, system("rm -f /tmp/update_engine_test_postinst_out.txt"));
 }
 
 }  // namespace chromeos_update_engine