Set v8_use_external_startup_data for GN Windows build.

chrome/installer/mini_installer/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("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build_overrides/v8.gni")
 import("//chrome/version.gni")
 import("//third_party/icu/config.gni")
 
@@ skipping 97 matching lines @@
 
     # Optional arguments to generate diff installer.
     #'--last_chrome_installer=C:/Temp/base',
     #'--setup_exe_format=DIFF',
     #'--diff_algorithm=COURGETTE',
 
     # Optional argument for verbose archiving output.
     #'--verbose',
   ]
 
+  deps = [
+    "//chrome",
+    "//chrome:main_dll",
+    "//chrome/browser/extensions/default_extensions",
+    "//chrome/installer/setup",
+    "//third_party/icu:icudata",
+
+    #"../chrome.gyp:chrome_nacl_win64",  TODO(GYP) bug 512869.
+  ]
+
   if (enable_hidpi) {
     args += [ "--enable_hidpi=1" ]
   }
   if (is_component_build) {
     args += [ "--component_build=1" ]
   } else {
     outputs += [ "$root_out_dir/chrome.packed.7z" ]
   }
 
   if (enable_nacl) {
@@ skipping 10 matching lines @@
     inputs += [ "$root_out_dir/icudtl.dat" ]
   } else {
     inputs += [ "$root_out_dir/icudt.dll" ]
   }
 
   if (v8_use_external_startup_data) {
     inputs += [
       "$root_out_dir/natives_blob.bin",
       "$root_out_dir/snapshot_blob.bin",
     ]
+    deps += [ "//v8" ]
   }
 
   depfile = "$target_gen_dir/archive.d"
   args += [
     "--depfile",
     rebase_path(depfile, root_build_dir),
   ]
 
-  deps = [
-    "//chrome",
-    "//chrome:main_dll",
-    "//chrome/browser/extensions/default_extensions",
-    "//chrome/installer/setup",
-    "//third_party/icu:icudata",
-
-    #"../chrome.gyp:chrome_nacl_win64",  TODO(GYP) bug 512869.
-  ]
-
   if (enable_nacl) {
     deps += [ "//ppapi/native_client:irt" ]
   }
 }
 
 # TODO(GYP) bug 521052: This target needs to be checked to make sure its the
 # same size as the GYP build.
 executable("mini_installer") {
   sources = [
     "mini_installer.cc",
@@ skipping 21 matching lines @@
   libs = [ "setupapi.lib" ]
 
   deps = [
     ":archive",
     ":lib",
     ":version",
     "//build/config/sanitizers:deps",
     "//build/win:default_exe_manifest",
   ]
 }