Refactor install.cc into the work item parts and the non-work item parts.

chrome/installer/util/installation_state.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/installer/util/installation_state.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/version.h"
 #include "base/win/registry.h"
@@ skipping 90 matching lines @@
       properties.GetStateKey());
 }
 
 const ProductState* InstallationState::GetMultiPackageState(
     bool system_install) const {
   const ProductState& product_state =
       (system_install ? system_products_ : user_products_)[MULTI_PACKAGE_INDEX];
   return product_state.version_.get() == NULL ? NULL : &product_state;
 }
 
-// Included for testing.
-void InstallationState::SetMultiPackageState(bool system_install,
-    const ProductState& package_state) {
-  ProductState& target =
-      (system_install ? system_products_ : user_products_)[MULTI_PACKAGE_INDEX];
-  target.CopyFrom(package_state);
-}
-
 const ProductState* InstallationState::GetProductState(
     bool system_install,
     BrowserDistribution::Type type) const {
   const ProductState& product_state = (system_install ? system_products_ :
       user_products_)[IndexFromDistType(type)];
   return product_state.version_.get() == NULL ? NULL : &product_state;
 }
 
-// Included for testing.
-void InstallationState::SetProductState(bool system_install,
-    BrowserDistribution::Type type, const ProductState& product_state) {
-  ProductState& target = (system_install ? system_products_ :
-      user_products_)[IndexFromDistType(type)];
-  target.CopyFrom(product_state);
-}
-
 }  // namespace installer