For actions, switch bool success into an exit code.

test_utils.h

-// Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
 #ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_TEST_UTILS_H__
 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_TEST_UTILS_H__
 
 #include <set>
 #include <string>
 #include <vector>
 #include <gtest/gtest.h>
@@ skipping 143 matching lines @@
 struct ObjectFeederAction : public Action<ObjectFeederAction<T> > {
  public:
   typedef NoneType InputObjectType;
   typedef T OutputObjectType;
   void PerformAction() {
     LOG(INFO) << "feeder running!";
     CHECK(this->processor_);
     if (this->HasOutputPipe()) {
       this->SetOutputObject(out_obj_);
     }
-    this->processor_->ActionComplete(this, true);
+    this->processor_->ActionComplete(this, kActionCodeSuccess);
   }
   static std::string StaticType() { return "ObjectFeederAction"; }
   std::string Type() const { return StaticType(); }
   void set_obj(const T& out_obj) {
     out_obj_ = out_obj;
   }
  private:
   T out_obj_;
 };
 
@@ skipping 13 matching lines @@
 struct ObjectCollectorAction : public Action<ObjectCollectorAction<T> > {
  public:
   typedef T InputObjectType;
   typedef NoneType OutputObjectType;
   void PerformAction() {
     LOG(INFO) << "collector running!";
     ASSERT_TRUE(this->processor_);
     if (this->HasInputObject()) {
       object_ = this->GetInputObject();
     }
-    this->processor_->ActionComplete(this, true);
+    this->processor_->ActionComplete(this, kActionCodeSuccess);
   }
   static std::string StaticType() { return "ObjectCollectorAction"; }
   std::string Type() const { return StaticType(); }
   const T& object() const { return object_; }
  private:
   T object_;
 };
 
 }  // namespace chromeos_update_engine
 
 #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_TEST_UTILS_H__