Makes chrome data_dep specific to chromeos

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index faab12d5443d1bc4ce6b6115b034e88e48314640..300795f2ed17c0541e4dcc1afa7c99678405561c 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -228,7 +228,7 @@ static_library("test_support") {
 
     public_deps += [
       "//ash",
-      "//ash:test_support",
+      "//ash:test_support_without_content",
       "//ui/aura",
       "//ui/aura:test_support",
     ]
@@ -1154,7 +1154,7 @@ test("browser_tests") {
           rebase_path(chrome_tests_gypi_values.chrome_browser_tests_ash_sources,
                       ".",
                       "//chrome")
-      deps += [ "//ash:test_support" ]
+      deps += [ "//ash:test_support_without_content" ]
 
       if (enable_app_list) {
         deps += [ ":test_support_applist_ash" ]
@@ -1963,7 +1963,7 @@ test("unit_tests") {
                     ".",
                     "//chrome")
     deps += [
-      "//ash:test_support",
+      "//ash:test_support_with_content",
       "//ash/common/strings",
       "//ash/resources",
     ]
@@ -2109,6 +2109,10 @@ test("unit_tests") {
       "../browser/policy/cloud/user_policy_signin_service_unittest.cc",
       "../browser/signin/signin_manager_unittest.cc",
     ]
+    sources += [
+      "base/ash_test_environment_chrome.cc",
+      "base/ash_test_environment_chrome.h",
+    ]
   }
   if (use_x11) {
     deps += [ "//ui/events/devices" ]