Add a BrowserState* parameter to GetEarlyPageScript().

ios/chrome/browser/web/chrome_web_client.mm

 // 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.
 
 #include "ios/chrome/browser/web/chrome_web_client.h"
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/ios/ios_util.h"
 #include "base/mac/bundle_locations.h"
@@ skipping 137 matching lines @@
 void ChromeWebClient::GetAdditionalWebUISchemes(
     std::vector<std::string>* additional_schemes) {
   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
 }
 
 void ChromeWebClient::PostBrowserURLRewriterCreation(
     web::BrowserURLRewriter* rewriter) {
   rewriter->AddURLRewriter(&WillHandleWebBrowserAboutURL);
 }
 
-NSString* ChromeWebClient::GetEarlyPageScript() const {
+NSString* ChromeWebClient::GetEarlyPageScript(
+    web::BrowserState* browser_state) const {
   return GetPageScript(@"print");
 }
 
 void ChromeWebClient::AllowCertificateError(
     web::WebState* web_state,
     int cert_error,
     const net::SSLInfo& info,
     const GURL& request_url,
     bool overridable,
     const base::Callback<void(bool)>& callback) {
@@ skipping 10 matching lines @@
   // If this call fails, web will fall back to the default params.
   *params_vector =
       task_scheduler_util::GetBrowserWorkerPoolParamsFromVariations();
   *index_to_traits_callback =
       base::Bind(&task_scheduler_util::BrowserWorkerPoolIndexForTraits);
 }
 
 void ChromeWebClient::PerformExperimentalTaskSchedulerRedirections() {
   task_scheduler_util::MaybePerformBrowserTaskSchedulerRedirection();
 }