Add a BrowserState* parameter to GetEarlyPageScript().

ios/web/public/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_WEB_PUBLIC_WEB_CLIENT_H_
 #define IOS_WEB_PUBLIC_WEB_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 90 matching lines @@
   // view-source is allowed.
   virtual void GetAdditionalWebUISchemes(
       std::vector<std::string>* additional_schemes) {}
 
   // Gives the embedder a chance to add url rewriters to the BrowserURLRewriter
   // singleton.
   virtual void PostBrowserURLRewriterCreation(BrowserURLRewriter* rewriter) {}
 
   // Gives the embedder a chance to provide the JavaScript to be injected into
   // the web view as early as possible. Result must not be nil.
-  virtual NSString* GetEarlyPageScript() const;
+  virtual NSString* GetEarlyPageScript(BrowserState* browser_state) const;
 
   // Informs the embedder that a certificate error has occurred. If
   // |overridable| is true, the user can ignore the error and continue. The
   // embedder can call the |callback| asynchronously (an argument of true means
   // that |cert_error| should be ignored and web// should load the page).
   virtual void AllowCertificateError(
       WebState* web_state,
       int cert_error,
       const net::SSLInfo& ssl_info,
       const GURL& request_url,
       bool overridable,
       const base::Callback<void(bool)>& callback);
 
   // Provides parameters for initializing the global task scheduler. If
   // |params_vector| is empty, default parameters are used.
   virtual void GetTaskSchedulerInitializationParams(
       std::vector<base::SchedulerWorkerPoolParams>* params_vector,
       base::TaskScheduler::WorkerPoolIndexForTraitsCallback*
           index_to_traits_callback) {}
 
   // Performs any necessary PostTask API redirection to the task scheduler.
   virtual void PerformExperimentalTaskSchedulerRedirections() {}
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_PUBLIC_WEB_CLIENT_H_