Revert of Remove configuration policy from chrome build files.

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 0202cffff192a90a0542db36a7b2d496c6a743ac..cdb61dbf631e4b369ea08534dc919c2067c2194d 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -1046,7 +1046,6 @@
       ]
       deps += [
         "//chromeos/ime:gencode",
-        "//components/arc:arc_test_support",
         "//components/user_manager:test_support",
         "//dbus",
         "//dbus:test_support",
@@ -1067,6 +1066,15 @@
       }
       if (toolkit_views) {
         sources -= [ "../browser/ui/views/select_file_dialog_extension_browsertest.cc" ]
+      }
+    }
+    if (enable_configuration_policy) {
+      sources += rebase_path(
+              chrome_tests_gypi_values.chrome_browser_tests_policy_sources,
+              ".",
+              "//chrome")
+      if (is_chromeos) {
+        deps += [ "//components/arc:arc_test_support" ]
       }
     }
     if (enable_web_speech) {
@@ -1638,7 +1646,6 @@
             chrome_tests_unit_gypi_values.chrome_unit_tests_offline_pages_sources,
             ".",
             "//chrome")
-    sources -= [ "../browser/policy/policy_path_parser_unittest.cc" ]
     deps += [
       ":unit_tests_java",
       "//components/offline_pages:test_support",
@@ -1665,10 +1672,7 @@
   }
 
   if (!is_ios && !is_android) {
-    deps += [
-      ":unit_tests_js",
-      "//components/bubble:test_support",
-    ]
+    deps += [ ":unit_tests_js" ]
     sources += rebase_path(
             chrome_tests_unit_gypi_values.chrome_unit_tests_non_mobile_sources,
             ".",
@@ -1726,6 +1730,12 @@
       "//extensions:extensions_resources",
       "//extensions/strings",
     ]
+    if (enable_configuration_policy) {
+      sources += rebase_path(
+              chrome_tests_unit_gypi_values.chrome_unit_tests_extensions_policy_sources,
+              ".",
+              "//chrome")
+    }
     if (enable_service_discovery) {
       sources += rebase_path(
               chrome_tests_unit_gypi_values.chrome_unit_tests_extensions_service_discovery_sources,
@@ -1771,7 +1781,6 @@
   }
   if (!is_android && !is_ios && !is_chromeos) {
     sources += [
-      "../browser/net/disk_cache_dir_policy_handler_unittest.cc",
       "//chrome/browser/profiles/profile_list_desktop_unittest.cc",
       "//chrome/browser/profiles/profile_statistics_unittest.cc",
     ]
@@ -1800,6 +1809,27 @@
             chrome_tests_unit_gypi_values.chrome_unit_tests_service_discovery_sources,
             ".",
             "//chrome")
+  }
+  if (enable_configuration_policy) {
+    sources += rebase_path(
+            chrome_tests_unit_gypi_values.chrome_unit_tests_configuration_policy_sources,
+            ".",
+            "//chrome")
+    if (is_chromeos) {
+      sources -=
+          [ "../browser/policy/cloud/user_policy_signin_service_unittest.cc" ]
+    } else if (is_android) {
+      sources -= [ "../browser/policy/policy_path_parser_unittest.cc" ]
+    }
+    if (!is_android && !is_ios && !is_chromeos) {
+      sources += [ "../browser/net/disk_cache_dir_policy_handler_unittest.cc" ]
+    }
+    if (!is_android && !is_ios) {
+      sources +=
+          [ "../browser/download/download_dir_policy_handler_unittest.cc" ]
+
+      deps += [ "//components/bubble:test_support" ]
+    }
   }
   if (enable_web_speech) {
     sources += rebase_path(
@@ -1887,10 +1917,7 @@
       "//chrome/browser/chromeos:unit_tests",
       "//chromeos/ime:gencode",
     ]
-    sources -= [
-      "../browser/policy/cloud/user_policy_signin_service_unittest.cc",
-      "../browser/signin/signin_manager_unittest.cc",
-    ]
+    sources -= [ "../browser/signin/signin_manager_unittest.cc" ]
   }
   if (use_x11) {
     deps += [ "//ui/events/devices" ]