Fix missing GN dependencies.

gin/BUILD.gn

 # Copyright 2014 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/module_args/v8.gni")
 import("//testing/test.gni")
 
 component("gin") {
   sources = [
     "arguments.cc",
@@ skipping 58 matching lines @@
   defines = [ "GIN_IMPLEMENTATION" ]
 
   public_deps = [
     "//base",
     "//v8",
   ]
   deps = [
     "//base/third_party/dynamic_annotations",
   ]
   if (v8_use_external_startup_data && is_win) {
-    deps += [
-      ":gin_v8_snapshot_fingerprint",
-      "//crypto:crypto",
-    ]
+    public_deps += [ ":gin_v8_snapshot_fingerprint" ]
+    deps += [ "//crypto:crypto" ]
     sources += [ "$target_gen_dir/v8_snapshot_fingerprint.cc" ]
     defines += [ "V8_VERIFY_EXTERNAL_STARTUP_DATA" ]
   }
 }
 
 if (v8_use_external_startup_data) {
   action("gin_v8_snapshot_fingerprint") {
     script = "//gin/fingerprint/fingerprint_v8_snapshot.py"
 
     snapshot_file = "$root_build_dir/snapshot_blob.bin"
     natives_file = "$root_build_dir/natives_blob.bin"
     output_file = "$target_gen_dir/v8_snapshot_fingerprint.cc"
 
     args = [
       "--snapshot_file",
       rebase_path(snapshot_file, root_build_dir),
       "--natives_file",
       rebase_path(natives_file, root_build_dir),
       "--output_file",
       rebase_path(output_file, root_build_dir),
     ]
     inputs = [
       snapshot_file,
       natives_file,
     ]
     outputs = [
       output_file,
     ]
+
+    deps = [
+      "//v8",
+    ]
   }
 }
 
 executable("gin_shell") {
   sources = [
     "shell/gin_main.cc",
   ]
 
   deps = [
     ":gin",
@@ skipping 40 matching lines @@
     "test/run_js_tests.cc",
     "wrappable_unittest.cc",
   ]
 
   deps = [
     ":gin_test",
     "//base/test:test_support",
     "//v8",
   ]
 }