Update components for new prefs location.

components/signin/core/browser/signin_investigator.h

 // Copyright 2015 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.
 
 #ifndef COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_INVESTIGATOR_H_
 #define COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_INVESTIGATOR_H_
 
 #include <string>
 
 #include "base/macros.h"
-#include "base/prefs/pref_service.h"
+#include "components/prefs/pref_service.h"
 
 // A Java counterpart will be generated for this enum.
 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.signin
 // Broad categorization of signin type from investigation.
 enum class InvestigatedScenario : int {
   // First signin and should not be warned. As little friction as possible
   // should get between the user and signing in.
   UPGRADE_LOW_RISK = 0,
   // First signin but should be warned. There is a reason to believe this signin
   // may not be what the user wanted.
@@ skipping 51 matching lines @@
   std::string current_email_;
   std::string current_id_;
 
   // Non-owning pointer.
   DependencyProvider* provider_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninInvestigator);
 };
 
 #endif  // COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_INVESTIGATOR_H_