PVer4: Verify checksum for downloaded updates

components/safe_browsing_db/BUILD.gn

 # Copyright 2015 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("//third_party/protobuf/proto_library.gni")
 
 proto_library("safebrowsing_proto") {
   sources = [
     "safebrowsing.proto",
   ]
@@ skipping 239 matching lines @@
     "v4_store.h",
   ]
   public_deps = [
     ":safebrowsing_proto",
     ":v4_store_proto",
   ]
   deps = [
     ":v4_protocol_manager_util",
     ":v4_rice",
     "//base",
+    "//crypto",
   ]
 }
 
 static_library("v4_update_protocol_manager") {
   sources = [
     "v4_update_protocol_manager.cc",
     "v4_update_protocol_manager.h",
   ]
   deps = [
     ":safebrowsing_proto",
@@ skipping 27 matching lines @@
     ":v4_database",
     ":v4_get_hash_protocol_manager",
     ":v4_local_database_manager",
     ":v4_protocol_manager_util",
     ":v4_rice",
     ":v4_store",
     ":v4_store_proto",
     ":v4_update_protocol_manager",
     "//base",
     "//content/test:test_support",
+    "//crypto",
     "//net",
     "//net:test_support",
     "//testing/gtest",
     "//url",
   ]
   if (is_win) {
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     cflags = [ "/wd4267" ]  # Conversion from size_t to 'type'.
   }
 }
@@ skipping 13 matching lines @@
     "//base",
     "//components/variations",
     "//testing/gtest",
     "//url",
   ]
   if (is_win) {
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     cflags = [ "/wd4267" ]  # Conversion from size_t to 'type'.
   }
 }