Add a hardware_class attribute (for HWID, HWQual ID) to the Omaha request.

action_pipe.h

 // 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.
 
 #ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_PIPE_H__
 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_PIPE_H__
 
 #include <stdio.h>
 #include <iostream>
 #include <map>
@@ skipping 23 matching lines @@
 // Used by Actions an InputObjectType or OutputObjectType to specify that
 // for that type, no object is taken/given.
 class NoneType {};
 
 template<typename T>
 class Action;
 
 template<typename ObjectType>
 class ActionPipe {
  public:
-  virtual ~ActionPipe() {
-    LOG(INFO) << "ActionPipe died";
-  }
+  virtual ~ActionPipe() {}
 
   // This should be called by an Action on its input pipe.
   // Returns a reference to the stored object.
   const ObjectType& contents() const { return contents_; }
 
   // This should be called by an Action on its output pipe.
   // Stores a copy of the passed object in this pipe.
   void set_contents(const ObjectType& contents) { contents_ = contents; }
 
   // Bonds two Actions together with a new ActionPipe. The ActionPipe is
@@ skipping 25 matching lines @@
   // TODO(adlr): find something like this that the compiler accepts:
   // COMPILE_ASSERT(typeof(typename FromAction::OutputObjectType) ==
   //                typeof(typename ToAction::InputObjectType),
   //     FromAction_OutputObjectType_doesnt_match_ToAction_InputObjectType);
   ActionPipe<typename FromAction::OutputObjectType>::Bond(from, to);
 }
 
 }  // namespace chromeos_update_engine
 
 #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_PIPE_H__