Fix missing GN dependencies.

gin/BUILD.gn

Index: gin/BUILD.gn
diff --git a/gin/BUILD.gn b/gin/BUILD.gn
index ab768ffdb7702f804ae085deda7cfb0a854e8191..793ee3d8fa7999931b584ab5a97708fc9c2d880e 100644
--- a/gin/BUILD.gn
+++ b/gin/BUILD.gn
@@ -76,10 +76,8 @@ component("gin") {
     "//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" ]
   }
@@ -108,6 +106,10 @@ if (v8_use_external_startup_data) {
     outputs = [
       output_file,
     ]
+
+    deps = [
+      "//v8",
+    ]
   }
 }