Replace WebUI::tab_contents() with web_contents() and switch all users to use web_contents.h inst...

chrome/browser/ui/webui/options2/advanced_options_utils2_mac.mm

 // Copyright (c) 2011 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/browser/ui/webui/options2/advanced_options_utils2.h"
 
 #include "base/logging.h"
 #include "base/mac/scoped_aedesc.h"
 
+using content::WebContents;
+
 namespace options2 {
 
 void AdvancedOptionsUtilities::ShowNetworkProxySettings(
-      TabContents* tab_contents) {
+      WebContents* web_contents) {
   NSArray* itemsToOpen = [NSArray arrayWithObject:[NSURL fileURLWithPath:
       @"/System/Library/PreferencePanes/Network.prefPane"]];
 
   const char* proxyPrefCommand = "Proxies";
   base::mac::ScopedAEDesc<> openParams;
   OSStatus status = AECreateDesc('ptru',
                                  proxyPrefCommand,
                                  strlen(proxyPrefCommand),
                                  openParams.OutPointer());
   LOG_IF(ERROR, status != noErr) << "Failed to create open params: " << status;
 
   LSLaunchURLSpec launchSpec = { 0 };
   launchSpec.itemURLs = (CFArrayRef)itemsToOpen;
   launchSpec.passThruParams = openParams;
   launchSpec.launchFlags = kLSLaunchAsync | kLSLaunchDontAddToRecents;
   LSOpenFromURLSpec(&launchSpec, NULL);
 }
 
 void AdvancedOptionsUtilities::ShowManageSSLCertificates(
-      TabContents* tab_contents) {
+      WebContents* web_contents) {
   NSString* const kKeychainBundleId = @"com.apple.keychainaccess";
   [[NSWorkspace sharedWorkspace]
    launchAppWithBundleIdentifier:kKeychainBundleId
    options:0L
    additionalEventParamDescriptor:nil
    launchIdentifier:nil];
 }
 
 }  // namespace options2