Add a BrowserState* parameter to GetEarlyPageScript().

ios/chrome/browser/web/chrome_web_client.h

 // Copyright 2014 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_CHROME_BROWSER_WEB_CHROME_WEB_CLIENT_H_
 #define IOS_CHROME_BROWSER_WEB_CHROME_WEB_CLIENT_H_
 
 #include "base/macros.h"
 #include "ios/web/public/web_client.h"
 
@@ skipping 16 matching lines @@
   std::string GetUserAgent(web::UserAgentType type) const override;
   base::string16 GetLocalizedString(int message_id) const override;
   base::StringPiece GetDataResource(
       int resource_id,
       ui::ScaleFactor scale_factor) const override;
   base::RefCountedMemory* GetDataResourceBytes(int resource_id) const override;
   void GetAdditionalWebUISchemes(
       std::vector<std::string>* additional_schemes) override;
   void PostBrowserURLRewriterCreation(
       web::BrowserURLRewriter* rewriter) override;
-  NSString* GetEarlyPageScript() const override;
+  NSString* GetEarlyPageScript(web::BrowserState* browser_state) const override;
   void AllowCertificateError(
       web::WebState* web_state,
       int cert_error,
       const net::SSLInfo& ssl_info,
       const GURL& request_url,
       bool overridable,
       const base::Callback<void(bool)>& callback) override;
   void GetTaskSchedulerInitializationParams(
       std::vector<base::SchedulerWorkerPoolParams>* params_vector,
       base::TaskScheduler::WorkerPoolIndexForTraitsCallback*
           index_to_traits_callback) override;
   void PerformExperimentalTaskSchedulerRedirections() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeWebClient);
 };
 
 #endif  // IOS_CHROME_BROWSER_WEB_CHROME_WEB_CLIENT_H_