Componentize SafeBrowsingApi{Bridge,Handler}

components/safe_browsing_db/android/BUILD.gn

+# Copyright 2017 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//build/config/android/config.gni")
+import("//build/config/android/rules.gni")
+android_library("safe_browsing_java") {
+  deps = [
+    "//base:base_java",
+    "//third_party/android_tools:android_support_annotations_java",
+  ]
+  java_files = [
+    "java/src/org/chromium/components/safe_browsing/SafeBrowsingApiBridge.java",
+    "java/src/org/chromium/components/safe_browsing/SafeBrowsingApiHandler.java",
+  ]
+}
+
+generate_jni("jni_headers") {
+  sources = [
+    "java/src/org/chromium/components/safe_browsing/SafeBrowsingApiBridge.java",
+  ]
+  jni_package = "components/safe_browsing_db/android"
+}