[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/extensions/test_extension_system.cc

Index: chrome/browser/extensions/test_extension_system.cc
diff --git a/chrome/browser/extensions/test_extension_system.cc b/chrome/browser/extensions/test_extension_system.cc
index ba32742ac1888f6774ef860cfdce4c4aed5bf71c..2e51e0f3c4e9021eacde046f180d9cbde8b54d87 100644
--- a/chrome/browser/extensions/test_extension_system.cc
+++ b/chrome/browser/extensions/test_extension_system.cc
@@ -195,8 +195,9 @@ Blacklist* TestExtensionSystem::blacklist() {
 }
 
 // static
-ProfileKeyedService* TestExtensionSystem::Build(Profile* profile) {
-  return new TestExtensionSystem(profile);
+ProfileKeyedService* TestExtensionSystem::Build(
+    content::BrowserContext* profile) {
+  return new TestExtensionSystem(static_cast<Profile*>(profile));
 }
 
 }  // namespace extensions