WebView: create AwSafeBrowsingBlockingPage

components/safe_browsing/base_blocking_page.h

Index: components/safe_browsing/base_blocking_page.h
diff --git a/components/safe_browsing/base_blocking_page.h b/components/safe_browsing/base_blocking_page.h
index 055bd0d429d9b49665ca809deb45e2c41f8d842b..ee731393da6643590333b15db30b1191c35178c3 100644
--- a/components/safe_browsing/base_blocking_page.h
+++ b/components/safe_browsing/base_blocking_page.h
@@ -110,13 +110,13 @@ class BaseBlockingPage
 
   void SetThreatDetailsProceedDelayForTesting(int64_t delay);
 
- private:
   static std::unique_ptr<
       security_interstitials::SecurityInterstitialControllerClient>
   CreateControllerClient(content::WebContents* web_contents,
                          const UnsafeResourceList& unsafe_resources,
                          BaseUIManager* ui_manager);
 
+ private:
   // For reporting back user actions.
   BaseUIManager* ui_manager_;