Merge CWVWebsiteDataStore into CWVWebViewConfiguration.

ios/web_view/internal/cwv.mm

Index: ios/web_view/internal/cwv.mm
diff --git a/ios/web_view/internal/cwv.mm b/ios/web_view/internal/cwv.mm
index e24120c1a1985f14fbb336f437ad0236e121a6bb..e692bb47d1f31e0be78ef48673a8e5a6e41039b6 100644
--- a/ios/web_view/internal/cwv.mm
+++ b/ios/web_view/internal/cwv.mm
@@ -16,7 +16,6 @@
 #import "ios/web_view/public/cwv_delegate.h"
 #import "ios/web_view/public/cwv_web_view.h"
 #import "ios/web_view/public/cwv_web_view_configuration.h"
-#import "ios/web_view/public/cwv_website_data_store.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
@@ -50,9 +49,7 @@ CWV* g_criwv = nil;
 
 + (CWVWebView*)webViewWithFrame:(CGRect)frame {
   CWVWebViewConfiguration* configuration =
-      [[CWVWebViewConfiguration alloc] init];
-  configuration.websiteDataStore = [CWVWebsiteDataStore defaultDataStore];
-
+      [CWVWebViewConfiguration defaultConfiguration];
   return [[CWVWebView alloc] initWithFrame:frame configuration:configuration];
 }