Add ContentSuggestionsMediator

ios/chrome/browser/ui/browser_view_controller.mm

 // Copyright 2012 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 "ios/chrome/browser/ui/browser_view_controller.h"
 
 #import <AssetsLibrary/AssetsLibrary.h>
 #import <MobileCoreServices/MobileCoreServices.h>
 #import <PassKit/PassKit.h>
 #import <Photos/Photos.h>
@@ skipping 4391 matching lines @@
                                   getViewControllerToPresent]
                      animated:YES
                    completion:nil];
 }
 
 - (void)showSuggestionsUI {
   if (!_contentSuggestionsCoordinator) {
     _contentSuggestionsCoordinator.reset([[ContentSuggestionsCoordinator alloc]
         initWithBaseViewController:self]);
   }
+  [_contentSuggestionsCoordinator setBrowserState:_browserState];
   [_contentSuggestionsCoordinator start];
 }
 
 - (void)showNTPPanel:(NewTabPage::PanelIdentifier)panel {
   DCHECK(self.visible || self.dismissingModal);
   GURL url(kChromeUINewTabURL);
   std::string fragment(NewTabPage::FragmentFromIdentifier(panel));
   if (fragment != "") {
     GURL::Replacements replacement;
     replacement.SetRefStr(fragment);
@@ skipping 755 matching lines @@
 
 - (UIView*)voiceSearchButton {
   return _voiceSearchButton;
 }
 
 - (id<LogoAnimationControllerOwner>)logoAnimationControllerOwner {
   return [self currentLogoAnimationControllerOwner];
 }
 
 @end