Add a BrowserState* parameter to GetEarlyPageScript().

ios/chrome/browser/web/chrome_web_client_unittest.mm

 // Copyright (c) 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"
 
 #import <UIKit/UIKit.h>
 
 #include <memory>
 
@@ skipping 58 matching lines @@
 
 // Tests that ChromeWebClient provides print script and does not provide
 // windowOpenFix script for WKWebView.
 TEST_F(ChromeWebClientTest, WKWebViewEarlyPageScript) {
   // Chrome scripts rely on __gCrWeb object presence.
   web::TestBrowserState browser_state;
   WKWebView* web_view = web::BuildWKWebView(CGRectZero, &browser_state);
   web::ExecuteJavaScript(web_view, @"__gCrWeb = {};");
 
   web::ScopedTestingWebClient web_client(base::MakeUnique<ChromeWebClient>());
-  NSString* script = web_client.Get()->GetEarlyPageScript();
+  NSString* script = web_client.Get()->GetEarlyPageScript(&browser_state);
   web::ExecuteJavaScript(web_view, script);
   EXPECT_NSEQ(@"object",
               web::ExecuteJavaScript(web_view, @"typeof __gCrWeb.print"));
   EXPECT_NSEQ(@"undefined", web::ExecuteJavaScript(
                                 web_view, @"typeof __gCrWeb.windowOpenFix"));
 }
 
 }  // namespace