Reland: Start checking URLs using PVer4. Verdict not returned to client yet.

chrome/browser/loader/safe_browsing_resource_throttle.h

Index: chrome/browser/loader/safe_browsing_resource_throttle.h
diff --git a/chrome/browser/loader/safe_browsing_resource_throttle.h b/chrome/browser/loader/safe_browsing_resource_throttle.h
index 017a7098f3e4803aa54ad270176bad5e69bb19f5..ba7924fbb149fc07d4a8dbdc55fb4b333c18fec5 100644
--- a/chrome/browser/loader/safe_browsing_resource_throttle.h
+++ b/chrome/browser/loader/safe_browsing_resource_throttle.h
@@ -19,6 +19,7 @@
 #include "content/public/common/resource_type.h"
 #include "net/log/net_log.h"
 #include "net/log/net_log_event_type.h"
+#include "url/gurl.h"
 
 class ResourceDispatcherHost;
 
@@ -26,6 +27,10 @@ namespace net {
 class URLRequest;
 }
 
+namespace safe_browsing {
+class V4LocalDatabaseManager;
+}
+
 // SafeBrowsingResourceThrottle checks that URLs are "safe" before
 // navigating to them. To be considered "safe", a URL must not appear in the
 // malware/phishing blacklists (see SafeBrowsingService for details).
@@ -178,6 +183,8 @@ class SafeBrowsingResourceThrottle
   const net::URLRequest* request_;
   const content::ResourceType resource_type_;
   net::NetLogWithSource net_log_with_source_;
+  scoped_refptr<safe_browsing::V4LocalDatabaseManager>
+      v4_local_database_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingResourceThrottle);
 };