Enable WKWebView phone number detection.

ios/web/web_state/ui/wk_web_view_configuration_provider.mm

 // Copyright 2015 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/web/web_state/ui/wk_web_view_configuration_provider.h"
 
 #import <Foundation/Foundation.h>
 #import <WebKit/WebKit.h>
 
 #include "base/ios/ios_util.h"
@@ skipping 45 matching lines @@
 WKWebViewConfiguration*
 WKWebViewConfigurationProvider::GetWebViewConfiguration() {
   DCHECK([NSThread isMainThread]);
   if (!configuration_) {
     configuration_.reset([[WKWebViewConfiguration alloc] init]);
     if (is_off_the_record_ && base::ios::IsRunningOnIOS9OrLater()) {
       // WKWebsiteDataStore is iOS9 only.
       [configuration_
           setWebsiteDataStore:[WKWebsiteDataStore nonPersistentDataStore]];
     }
+// TODO(crbug.com/620878) Remove these guards after moving to iOS10 SDK.
+#if defined(__IPHONE_10_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_10_0
+    if (base::ios::IsRunningOnIOS10OrLater()) {
+      [configuration_ setDataDetectorTypes:WKDataDetectorTypePhoneNumber];
+    }
+#endif
     // setJavaScriptCanOpenWindowsAutomatically is required to support popups.
     [[configuration_ preferences] setJavaScriptCanOpenWindowsAutomatically:YES];
     [[configuration_ userContentController]
         addUserScript:InternalGetEarlyPageScript()];
   }
   // Prevent callers from changing the internals of configuration.
   return [[configuration_ copy] autorelease];
 }
 
 CRWWKScriptMessageRouter*
@@ skipping 18 matching lines @@
   configuration_.reset();
   router_.reset();
   // Make sure that no one retains configuration, router, processPool.
   DCHECK(!weak_configuration);
   DCHECK(!weak_router);
   // TODO(crbug.com/522672): Enable this DCHECK.
   // DCHECK(!weak_process_pool);
 }
 
 }  // namespace web