Move ProfileKeyedAPI implementations to take BrowserContext in the constructor (part 3).

chrome/browser/extensions/extension_web_ui_override_registrar.cc

Index: chrome/browser/extensions/extension_web_ui_override_registrar.cc
diff --git a/chrome/browser/extensions/extension_web_ui_override_registrar.cc b/chrome/browser/extensions/extension_web_ui_override_registrar.cc
index d559c68050574ba638659461ee6d7ca922fc3efb..d9d28d8955ea404a7d78bafd5ea12a3225ce1548 100644
--- a/chrome/browser/extensions/extension_web_ui_override_registrar.cc
+++ b/chrome/browser/extensions/extension_web_ui_override_registrar.cc
@@ -14,11 +14,14 @@
 namespace extensions {
 
 ExtensionWebUIOverrideRegistrar::ExtensionWebUIOverrideRegistrar(
-    Profile* profile) : profile_(profile) {
-  registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED,
-                 content::Source<Profile>(profile));
-  registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
-                 content::Source<Profile>(profile));
+    content::BrowserContext* context)
+    : profile_(Profile::FromBrowserContext(context)) {
+  registrar_.Add(this,
+                 chrome::NOTIFICATION_EXTENSION_LOADED,
+                 content::Source<Profile>(profile_));
+  registrar_.Add(this,
+                 chrome::NOTIFICATION_EXTENSION_UNLOADED,
+                 content::Source<Profile>(profile_));
 }
 
 ExtensionWebUIOverrideRegistrar::~ExtensionWebUIOverrideRegistrar() {