Enable incremental linking for unit_tests on win component

chrome/test/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/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/chrome_tests.gni")
@@ skipping 2210 matching lines @@
   }
   if (enable_rlz_support) {
     sources += [ "../browser/rlz/chrome_rlz_tracker_delegate_unittest.cc" ]
     deps += [
       "//chrome/browser:rlz",
       "//components/rlz",
       "//rlz:test_support",
     ]
   }
   if (is_win) {
-    # The PDB gets too large for incremental linking.
-    configs -= [ "//build/config/win:default_incremental_linking" ]
-    configs += [ "//build/config/win:no_incremental_linking" ]
+    if (!is_component_build) {
+      # The PDB gets too large for incremental linking.
+      configs -= [ "//build/config/win:default_incremental_linking" ]
+      configs +=
+          [ "//build/config/win:default_large_module_incremental_linking" ]
+    }
 
     sources +=
         rebase_path(chrome_tests_unit_gypi_values.chrome_unit_tests_win_sources,
                     ".",
                     "//chrome")
     deps += [
       "//chrome:other_version",
       "//chrome/install_static:install_static_util",
       "//chrome/installer/util:strings",
       "//chrome_elf:blacklist_test_dll_1",
@@ skipping 247 matching lines @@
 if (is_android) {
   android_library("unit_tests_java") {
     java_files = [ "android/unit_tests_apk/src/org/chromium/chrome/unit_tests_apk/ChromeNativeTestApplication.java" ]
     deps = [
       "//base:base_java",
       "//chrome/android:chrome_java",
       "//content/public/android:content_java",
     ]
   }
 }