[update_engine] Update to use not-hideously-old logging API from chrome

install_plan.h

 // Copyright (c) 2009 The Chromium 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_INSTALL_PLAN_H__
 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_INSTALL_PLAN_H__
 
 #include <string>
-#include "chromeos/obsolete_logging.h"
+#include "base/logging.h"
 
 // InstallPlan is a simple struct that contains relevant info for many
 // parts of the update system about the install that should happen.
 
 namespace chromeos_update_engine {
 
 struct InstallPlan {
   InstallPlan(bool is_full,
               const std::string& url,
               uint64_t size,
@@ skipping 33 matching lines @@
               << ", size: " << size
               << ", hash: " << download_hash
               << ", install_path: " << install_path
               << ", kernel_install_path: " << kernel_install_path;
   }
 };
 
 }  // namespace chromeos_update_engine
 
 #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_INSTALL_PLAN_H__