Extensions: Move id_util functions to crx_file component.

chrome/browser/profile_resetter/brandcoded_default_settings.cc

Index: chrome/browser/profile_resetter/brandcoded_default_settings.cc
diff --git a/chrome/browser/profile_resetter/brandcoded_default_settings.cc b/chrome/browser/profile_resetter/brandcoded_default_settings.cc
index 748992a43a4d97ca0f69e08b93803f3016878163..7d7f2cc92e28f3b55005c20614a3cb10827fd709 100644
--- a/chrome/browser/profile_resetter/brandcoded_default_settings.cc
+++ b/chrome/browser/profile_resetter/brandcoded_default_settings.cc
@@ -8,8 +8,8 @@
 #include "base/logging.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/installer/util/master_preferences_constants.h"
+#include "components/crx_file/id_util.h"
 #include "components/search_engines/search_engines_pref_names.h"
-#include "extensions/common/extension.h"
 
 BrandcodedDefaultSettings::BrandcodedDefaultSettings() {
 }
@@ -71,7 +71,7 @@ bool BrandcodedDefaultSettings::GetExtensions(
           &extensions)) {
     for (base::DictionaryValue::Iterator extension_id(*extensions);
          !extension_id.IsAtEnd(); extension_id.Advance()) {
-      if (extensions::Extension::IdIsValid(extension_id.key()))
+      if (crx_file::id_util::IdIsValid(extension_id.key()))
         extension_ids->push_back(extension_id.key());
     }
     return true;