Eliminate BrowserProcess dependency from sign-in production code.

chrome/browser/signin/signin_manager_base.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // The signin manager encapsulates some functionality tracking
 // which user is signed in.
 //
 // **NOTE** on semantics of SigninManager:
 //
 // Once a signin is successful, the username becomes "established" and will not
@@ skipping 48 matching lines @@
       : username(in_username) {}
   std::string username;
 };
 
 class SigninManagerBase : public ProfileKeyedService {
  public:
   SigninManagerBase();
   virtual ~SigninManagerBase();
 
   // If user was signed in, load tokens from DB if available.
-  virtual void Initialize(Profile* profile);
+  virtual void Initialize(Profile* profile, PrefService* local_state);
   bool IsInitialized() const;
 
   // Returns true if a signin to Chrome is allowed (by policy or pref).
   // TODO(tim): kSigninAllowed is defined for all platforms in pref_names.h.
   // If kSigninAllowed pref was non-Chrome OS-only, this method wouldn't be
   // needed, but as is we provide this method to let all interested code
   // code query the value in one way, versus half using PrefService directly
   // and the other half using SigninManager.
   virtual bool IsSigninAllowed() const;
 
@@ skipping 64 matching lines @@
   // The list of SigninDiagnosticObservers.
   ObserverList<signin_internals_util::SigninDiagnosticsObserver, true>
       signin_diagnostics_observers_;
 
   base::WeakPtrFactory<SigninManagerBase> weak_pointer_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninManagerBase);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_SIGNIN_MANAGER_BASE_H_