Split to SafeBrowsingDatabaseManager into Local* and Remote*.

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 1323b706887bab74451e55ae3c78c4f7499ab96a..118a05b30105a6cc97c0d3861683938a2c1e9ffa 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -442,6 +442,11 @@ source_set("browser") {
                       ".",
                       "//chrome")
       deps += [ "//chrome/common/safe_browsing:proto" ]
+    } else if (safe_browsing_mode == 3) {
+      sources += rebase_path(
+              gypi_values.chrome_browser_safe_browsing_mobile_extended_sources,
+              ".",
+              "//chrome")
     }
   }