[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/extensions/extension_system_factory.cc

Index: chrome/browser/extensions/extension_system_factory.cc
diff --git a/chrome/browser/extensions/extension_system_factory.cc b/chrome/browser/extensions/extension_system_factory.cc
index 19b86964074071985e333ddebbf77f7662b4a424..781678e1d83e2bed5a8167f199c065abc2f80369 100644
--- a/chrome/browser/extensions/extension_system_factory.cc
+++ b/chrome/browser/extensions/extension_system_factory.cc
@@ -42,8 +42,8 @@ ExtensionSystemSharedFactory::~ExtensionSystemSharedFactory() {
 }
 
 ProfileKeyedService* ExtensionSystemSharedFactory::BuildServiceInstanceFor(
-    Profile* profile) const {
-  return new ExtensionSystemImpl::Shared(profile);
+    content::BrowserContext* profile) const {
+  return new ExtensionSystemImpl::Shared(static_cast<Profile*>(profile));
 }
 
 bool ExtensionSystemSharedFactory::ServiceRedirectedInIncognito() const {
@@ -74,8 +74,8 @@ ExtensionSystemFactory::~ExtensionSystemFactory() {
 }
 
 ProfileKeyedService* ExtensionSystemFactory::BuildServiceInstanceFor(
-    Profile* profile) const {
-  return new ExtensionSystemImpl(profile);
+    content::BrowserContext* profile) const {
+  return new ExtensionSystemImpl(static_cast<Profile*>(profile));
 }
 
 bool ExtensionSystemFactory::ServiceHasOwnInstanceInIncognito() const {