Add "UninstallReason" parameter to ExtensionRegistryObserver::OnExtensionUninstalled.

chrome/browser/themes/theme_service_unittest.cc

Index: chrome/browser/themes/theme_service_unittest.cc
diff --git a/chrome/browser/themes/theme_service_unittest.cc b/chrome/browser/themes/theme_service_unittest.cc
index 45f82e4034d3a363d0d735d1f5da6b9b91017548..926c0b107b7a174986e2494b6461d01817c16e32 100644
--- a/chrome/browser/themes/theme_service_unittest.cc
+++ b/chrome/browser/themes/theme_service_unittest.cc
@@ -25,6 +25,7 @@
 #include "testing/gtest/include/gtest/gtest.h"
 
 using extensions::ExtensionRegistry;
+using extensions::UninstalledExtensionInfo;
 
 namespace theme_service_internal {
 
@@ -120,7 +121,7 @@ TEST_F(ThemeServiceTest, ThemeInstallUninstall) {
 
   // Now uninstall the extension, should revert to the default theme.
   service_->UninstallExtension(
-      extension_id, ExtensionService::UNINSTALL_REASON_FOR_TESTING, NULL);
+      extension_id, UninstalledExtensionInfo::REASON_FOR_TESTING, NULL);
   EXPECT_TRUE(theme_service->UsingDefaultTheme());
 }