[ABANDONED] [WIP] Refactor SafeBrowsingResourceThrottle in preparation for WebSocket

android_webview/browser/aw_safe_browsing_resource_throttle.h

Index: android_webview/browser/aw_safe_browsing_resource_throttle.h
diff --git a/android_webview/browser/aw_safe_browsing_resource_throttle.h b/android_webview/browser/aw_safe_browsing_resource_throttle.h
index 5fbd4dd81e525d7916d05c8909e2973bc02bfcf9..a82408a12eba66bc8ef4aad550246a1dfd315681 100644
--- a/android_webview/browser/aw_safe_browsing_resource_throttle.h
+++ b/android_webview/browser/aw_safe_browsing_resource_throttle.h
@@ -5,45 +5,33 @@
 #ifndef ANDROID_WEBVIEW_BROWSER_AW_SAFE_BROWSING_RESOURCE_THROTTLE_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_SAFE_BROWSING_RESOURCE_THROTTLE_H_
 
-#include "android_webview/browser/aw_safe_browsing_ui_manager.h"
-#include "base/macros.h"
-#include "components/safe_browsing/base_resource_throttle.h"
-#include "components/safe_browsing_db/database_manager.h"
-#include "components/security_interstitials/content/unsafe_resource.h"
+#include <memory>
+
+#include "base/memory/ref_counted.h"
 #include "content/public/common/resource_type.h"
 
+namespace content {
+class ResourceThrottle;
+}
+
 namespace net {
 class URLRequest;
 }
 
+namespace safe_browsing {
+class SafeBrowsingDatabaseManager;
+}
+
 namespace android_webview {
 
-class AwSafeBrowsingResourceThrottle
-    : public safe_browsing::BaseResourceThrottle {
- public:
-  // Will construct an AwSafeBrowsingResourceThrottle if GMS exists on device
-  // and supports safebrowsing.
-  static AwSafeBrowsingResourceThrottle* MaybeCreate(
-      net::URLRequest* request,
-      content::ResourceType resource_type,
-      scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager>
-          database_manager,
-      scoped_refptr<AwSafeBrowsingUIManager> ui_manager);
-
- private:
-  AwSafeBrowsingResourceThrottle(
-      net::URLRequest* request,
-      content::ResourceType resource_type,
-      scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager>
-          database_manager,
-      scoped_refptr<AwSafeBrowsingUIManager> ui_manager);
-
-  ~AwSafeBrowsingResourceThrottle() override;
-
-  void CancelResourceLoad() override;
-
-  DISALLOW_COPY_AND_ASSIGN(AwSafeBrowsingResourceThrottle);
-};
+class AwSafeBrowsingUIManager;
+
+std::unique_ptr<content::ResourceThrottle>
+MaybeCreateAwSafeBrowsingResourceThrottle(
+    net::URLRequest* request,
+    content::ResourceType resource_type,
+    scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager> database_manager,
+    scoped_refptr<AwSafeBrowsingUIManager> ui_manager);
 
 }  // namespace android_webview