Opening links clicked from the answer card in a new tab.

chrome/browser/ui/app_list/search_answer_web_contents_delegate.h

 // Copyright 2017 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 CHROME_BROWSER_UI_APP_LIST_SEARCH_ANSWER_WEB_CONTENTS_DELEGATE_H_
 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_ANSWER_WEB_CONTENTS_DELEGATE_H_
 
 #include <memory>
 #include <string>
 
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "url/gurl.h"
 
+class Profile;
+
 namespace app_list {
 class AppListModel;
 }
 
-namespace content {
-class BrowserContext;
-}
-
 namespace views {
 class View;
 class WebView;
 }
 
 namespace app_list {
 
 // Manages the web contents for the search answer web view.
 class SearchAnswerWebContentsDelegate : public content::WebContentsDelegate,
                                         public content::WebContentsObserver {
  public:
-  SearchAnswerWebContentsDelegate(content::BrowserContext* browser_context,
+  SearchAnswerWebContentsDelegate(Profile* profile,
                                   app_list::AppListModel* model);
 
   ~SearchAnswerWebContentsDelegate() override;
 
   // Updates the state after the query string or any other relevant condition
   // changes.
   void Update();
 
   // Returns a pointer to the web view for the web contents managed by this
   // class. The object is owned by this class and has property
   // 'set_owned_by_client()' set.
   views::View* web_view();
 
   // content::WebContentsDelegate overrides:
   void UpdatePreferredSize(content::WebContents* web_contents,
                            const gfx::Size& pref_size) override;
+  content::WebContents* OpenURLFromTab(
+      content::WebContents* source,
+      const content::OpenURLParams& params) override;
 
   // content::WebContentsObserver overrides:
   void DidFinishNavigation(
       content::NavigationHandle* navigation_handle) override;
   void DidStopLoading() override;
 
  private:
+  // Unowned pointer to the associated profile.
+  Profile* const profile_;
+
   // Unowned pointer to app list model.
   app_list::AppListModel* const model_;
 
   // Web view for the web contents managed by this class.
   const std::unique_ptr<views::WebView> web_view_;
 
   // Whether have received a server response for the current query string, and
   // the response contains an answer.
   bool received_answer_ = false;
 
   // Web contents managed by this class.
   const std::unique_ptr<content::WebContents> web_contents_;
 
   // If valid, URL of the answer server. Otherwise, search answers are disabled.
   GURL answer_server_url_;
 
   // URL of the current answer server request.
   GURL current_request_url_;
 
   DISALLOW_COPY_AND_ASSIGN(SearchAnswerWebContentsDelegate);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_ANSWER_WEB_CONTENTS_DELEGATE_H_