Remove configuration policy on iOS.

ios/public/provider/chrome/browser/chrome_browser_provider.h

 // Copyright 2013 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 IOS_PUBLIC_PROVIDER_CHROME_BROWSER_CHROME_BROWSER_PROVIDER_H_
 #define IOS_PUBLIC_PROVIDER_CHROME_BROWSER_CHROME_BROWSER_PROVIDER_H_
 
 #include <CoreGraphics/CoreGraphics.h>
 #include <stddef.h>
 #include <string>
@@ skipping 15 matching lines @@
 }
 
 namespace metrics {
 class MetricsService;
 }
 
 namespace net {
 class URLRequestContextGetter;
 }
 
-namespace policy {
-class BrowserPolicyConnector;
-}
-
 namespace rappor {
 class RapporService;
 }
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace variations {
 class VariationsService;
@@ skipping 78 matching lines @@
   // Returns the metrics service.
   virtual metrics::MetricsService* GetMetricsService();
   // Returns the variations service.
   virtual variations::VariationsService* GetVariationsService();
   // Returns an instance of a CardUnmaskPromptView used to unmask Wallet cards.
   // The view is responsible for its own lifetime.
   virtual autofill::CardUnmaskPromptView* CreateCardUnmaskPromptView(
       autofill::CardUnmaskPromptController* controller);
   // Returns risk data used in Wallet requests.
   virtual std::string GetRiskData();
-  // Starts and manages the policy system.
-  virtual policy::BrowserPolicyConnector* GetBrowserPolicyConnector();
   // Returns the RapporService. May be null.
   virtual rappor::RapporService* GetRapporService();
   // Returns whether there is an Off-The-Record session active.
   virtual bool IsOffTheRecordSessionActive();
   // Get the favicon for |page_url| and run |callback| with result when loaded.
   // Note. |callback| is always run asynchronously.
   virtual void GetFaviconForURL(
       ChromeBrowserState* browser_state,
       const GURL& page_url,
       const std::vector<int>& desired_sizes_in_pixel,
       const favicon_base::FaviconResultsCallback& callback) const;
 
   // Returns whether safe browsing is enabled. See the comment on
   // metrics_services_manager_client.h for details on |on_update_callback|.
   virtual bool IsSafeBrowsingEnabled(const base::Closure& on_update_callback);
 
   // Called when the IOSChromeMetricsServiceClientManager instance is
   // destroyed.
   virtual void OnMetricsServicesManagerClientDestroyed();
 };
 
 }  // namespace ios
 
 #endif  // IOS_PUBLIC_PROVIDER_CHROME_BROWSER_CHROME_BROWSER_PROVIDER_H_