Add support for component builds in alternate_version_generator.

chrome/installer/test/resource_updater.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/test/resource_updater.h"
 
 #include <windows.h>
 #include <stdint.h>
 
 #include "base/files/file_path.h"
@@ skipping 30 matching lines @@
                              const base::FilePath& input_file) {
   DCHECK(handle_ != NULL);
   base::MemoryMappedFile input;
 
   if (input.Initialize(input_file)) {
     if (UpdateResource(handle_, type.c_str(), name.c_str(), language_id,
                        const_cast<uint8_t*>(input.data()),
                        static_cast<DWORD>(input.length())) != FALSE) {
       return true;
     }
-    PLOG(DFATAL) << "UpdateResource failed for resource \"" << name << "\"";
+    PLOG(ERROR) << "UpdateResource failed for resource \"" << name
+                << "\" of size " << input.length() << " bytes";
   } else {
     PLOG(DFATAL) << "Failed mapping \"" << input_file.value() << "\"";
   }
   return false;
 }
 
 bool ResourceUpdater::Commit() {
   DCHECK(handle_ != NULL);
   bool result = true;
   if (EndUpdateResource(handle_, FALSE) == FALSE) {
     PLOG(DFATAL) << "EndUpdateResource failed";
     result = false;
   }
   handle_ = NULL;
   return result;
 }
 
 }  // namespace upgrade_test