ifdef a few pieces of extensions code.

chrome/browser/ui/sync/profile_signin_confirmation_helper_unittest.cc

Index: chrome/browser/ui/sync/profile_signin_confirmation_helper_unittest.cc
diff --git a/chrome/browser/ui/sync/profile_signin_confirmation_helper_unittest.cc b/chrome/browser/ui/sync/profile_signin_confirmation_helper_unittest.cc
index 6a5dc67acca046b36a8ab0181f0e02fdfb92aa85..2bed91c7de6cbdf4398c47f33c780e53a5553d95 100644
--- a/chrome/browser/ui/sync/profile_signin_confirmation_helper_unittest.cc
+++ b/chrome/browser/ui/sync/profile_signin_confirmation_helper_unittest.cc
@@ -20,12 +20,9 @@
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/test_extension_system.h"
 #include "chrome/browser/history/history_service.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/prefs/browser_prefs.h"
-#include "chrome/common/extensions/extension_constants.h"
 #include "chrome/test/base/testing_pref_service_syncable.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/bookmarks/browser/bookmark_model.h"
@@ -33,10 +30,6 @@
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "content/public/test/test_utils.h"
-#include "extensions/browser/extension_prefs.h"
-#include "extensions/common/extension.h"
-#include "extensions/common/manifest_constants.h"
-#include "extensions/common/permissions/permission_set.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -46,6 +39,16 @@
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
 #endif
 
+#if defined(ENABLE_EXTENSIONS)
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/test_extension_system.h"
+#include "chrome/common/extensions/extension_constants.h"
+#include "extensions/browser/extension_prefs.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/manifest_constants.h"
+#include "extensions/common/permissions/permission_set.h"
+#endif
+
 namespace {
 
 template<typename T>
@@ -86,6 +89,7 @@ class TestingPrefStoreWithCustomReadError : public TestingPrefStore {
   PrefReadError read_error_;
 };
 
+#if defined(ENABLE_EXTENSIONS)
 #if defined(OS_WIN)
 const base::FilePath::CharType kExtensionFilePath[] =
     FILE_PATH_LITERAL("c:\\foo");
@@ -111,6 +115,7 @@ static scoped_refptr<extensions::Extension> CreateExtension(
         &error);
   return extension;
 }
+#endif
 
 }  // namespace
 
@@ -140,6 +145,7 @@ class ProfileSigninConfirmationHelperTest : public testing::Test {
     model_ = BookmarkModelFactory::GetForProfile(profile_.get());
     test::WaitForBookmarkModelToLoad(model_);
     ASSERT_TRUE(profile_->CreateHistoryService(true, false));
+#if defined(ENABLE_EXTENSIONS)
     extensions::TestExtensionSystem* system =
         static_cast<extensions::TestExtensionSystem*>(
             extensions::ExtensionSystem::Get(profile_.get()));
@@ -147,6 +153,7 @@ class ProfileSigninConfirmationHelperTest : public testing::Test {
     system->CreateExtensionService(&command_line,
                                    base::FilePath(kExtensionFilePath),
                                    false);
+#endif
   }
 
   virtual void TearDown() OVERRIDE {
@@ -193,6 +200,7 @@ TEST_F(ProfileSigninConfirmationHelperTest, PromptForNewProfile_Bookmarks) {
               profile_.get())));
 }
 
+#if defined(ENABLE_EXTENSIONS)
 TEST_F(ProfileSigninConfirmationHelperTest, PromptForNewProfile_Extensions) {
   ExtensionService* extensions =
       extensions::ExtensionSystem::Get(profile_.get())->extension_service();
@@ -217,6 +225,7 @@ TEST_F(ProfileSigninConfirmationHelperTest, PromptForNewProfile_Extensions) {
   EXPECT_TRUE(GetCallbackResult(
       base::Bind(&ui::CheckShouldPromptForNewProfile, profile_.get())));
 }
+#endif
 
 // http://crbug.com/393149
 TEST_F(ProfileSigninConfirmationHelperTest,