Move ProfileKeyedAPI implementations to take BrowserContext in the constructor (part 1).

chrome/browser/extensions/api/cookies/cookies_api.h

Index: chrome/browser/extensions/api/cookies/cookies_api.h
diff --git a/chrome/browser/extensions/api/cookies/cookies_api.h b/chrome/browser/extensions/api/cookies/cookies_api.h
index c4cbc887488bdabff79ed417465727d5a6d844c4..2b5bf055422fc5b4507b7fbef6caa7dbda5b0e48 100644
--- a/chrome/browser/extensions/api/cookies/cookies_api.h
+++ b/chrome/browser/extensions/api/cookies/cookies_api.h
@@ -33,7 +33,7 @@ namespace extensions {
 // extension system.
 class CookiesEventRouter : public content::NotificationObserver {
  public:
-  explicit CookiesEventRouter(Profile* profile);
+  explicit CookiesEventRouter(content::BrowserContext* context);
   virtual ~CookiesEventRouter();
 
  private:
@@ -47,7 +47,7 @@ class CookiesEventRouter : public content::NotificationObserver {
   void CookieChanged(Profile* profile, ChromeCookieDetails* details);
 
   // This method dispatches events to the extension message service.
-  void DispatchEvent(Profile* context,
+  void DispatchEvent(content::BrowserContext* context,
                      const std::string& event_name,
                      scoped_ptr<base::ListValue> event_args,
                      GURL& cookie_domain);