Add TimeToScrollUpdateSwapBegin2 to UKM

chrome/browser/chrome_content_browser_client.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 295 matching lines @@
   GetReceiverPresentationServiceDelegate(
       content::WebContents* web_contents) override;
   void RecordURLMetric(const std::string& metric, const GURL& url) override;
   std::vector<std::unique_ptr<content::NavigationThrottle>>
   CreateThrottlesForNavigation(content::NavigationHandle* handle) override;
   std::unique_ptr<content::NavigationUIData> GetNavigationUIData(
       content::NavigationHandle* navigation_handle) override;
   std::unique_ptr<content::MemoryCoordinatorDelegate>
   GetMemoryCoordinatorDelegate() override;
   ::rappor::RapporService* GetRapporService() override;
-  ::ukm::UkmRecorder* GetUkmRecorder() override;
 
 #if BUILDFLAG(ENABLE_MEDIA_REMOTING)
   void CreateMediaRemoter(content::RenderFrameHost* render_frame_host,
                           media::mojom::RemotingSourcePtr source,
                           media::mojom::RemoterRequest request) final;
 #endif  // BUILDFLAG(ENABLE_MEDIA_REMOTING)
 
   std::unique_ptr<base::TaskScheduler::InitParams> GetTaskSchedulerInitParams()
       override;
   void PerformExperimentalTaskSchedulerRedirections() override;
@@ skipping 53 matching lines @@
   std::vector<ChromeContentBrowserClientParts*> extra_parts_;
 
   service_manager::BinderRegistry gpu_binder_registry_;
 
   base::WeakPtrFactory<ChromeContentBrowserClient> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_