base/version: remove wstring version

chrome/browser/extensions/external_registry_extension_provider_win.cc

Index: chrome/browser/extensions/external_registry_extension_provider_win.cc
diff --git a/chrome/browser/extensions/external_registry_extension_provider_win.cc b/chrome/browser/extensions/external_registry_extension_provider_win.cc
index daf3d99cbcfefc484744cd0fa2dbbc059c5ef257..16b107ff9fdd3b040688442ac4eed3065f5dae12 100644
--- a/chrome/browser/extensions/external_registry_extension_provider_win.cc
+++ b/chrome/browser/extensions/external_registry_extension_provider_win.cc
@@ -58,7 +58,8 @@ void ExternalRegistryExtensionProvider::VisitRegisteredExtension(
           StringToLowerASCII(&id);
 
           scoped_ptr<Version> version;
-          version.reset(Version::GetVersionFromString(extension_version));
+          version.reset(Version::GetVersionFromString(
+                            WideToASCII(extension_version)));
           if (!version.get()) {
             LOG(ERROR) << "Invalid version value " << extension_version
                        << " for key " << key_path;
@@ -103,8 +104,10 @@ bool ExternalRegistryExtensionProvider::GetExtensionDetails(
   if (!key.ReadValue(kRegistryExtensionVersion, &extension_version))
     return false;
 
-  if (version)
-    version->reset(Version::GetVersionFromString(extension_version));
+  if (version) {
+    version->reset(Version::GetVersionFromString(
+                       WideToASCII(extension_version)));
+  }
 
   if (location)
     *location = Extension::EXTERNAL_REGISTRY;