Move some content url constants to /url.

chrome/browser/safe_browsing/database_manager.cc

Index: chrome/browser/safe_browsing/database_manager.cc
diff --git a/chrome/browser/safe_browsing/database_manager.cc b/chrome/browser/safe_browsing/database_manager.cc
index ba22281eee1772c3c0ef27b539e2e3ad0174ca37..f08ec056bf46e72415f402c78b25a743fbe526b0 100644
--- a/chrome/browser/safe_browsing/database_manager.cc
+++ b/chrome/browser/safe_browsing/database_manager.cc
@@ -34,6 +34,7 @@
 #include "components/startup_metric_utils/startup_metric_utils.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
+#include "net/base/url_constants.h"
 
 using content::BrowserThread;
 
@@ -221,9 +222,8 @@ SafeBrowsingDatabaseManager::~SafeBrowsingDatabaseManager() {
 }
 
 bool SafeBrowsingDatabaseManager::CanCheckUrl(const GURL& url) const {
-  return url.SchemeIs(content::kFtpScheme) ||
-         url.SchemeIs(content::kHttpScheme) ||
-         url.SchemeIs(content::kHttpsScheme);
+  return url.SchemeIs(content::kFtpScheme) || url.SchemeIs(net::kHttpScheme) ||
+         url.SchemeIs(net::kHttpsScheme);
 }
 
 bool SafeBrowsingDatabaseManager::CheckDownloadUrl(