Move enable extensions define to a build flag.

chrome/renderer/content_settings_observer_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/renderer/content_settings_observer.h"
 
 #include "chrome/common/url_constants.h"
 #include "content/public/common/url_constants.h"
+#include "extensions/features/features.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "url/gurl.h"
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "extensions/common/constants.h"
 #endif
 
 using blink::WebSecurityOrigin;
 
 typedef testing::Test ContentSettingsObserverTest;
 
 TEST_F(ContentSettingsObserverTest, WhitelistedSchemes) {
   std::string end_url = ":something";
 
   GURL chrome_ui_url =
       GURL(std::string(content::kChromeUIScheme).append(end_url));
   EXPECT_TRUE(ContentSettingsObserver::IsWhitelistedForContentSettings(
       WebSecurityOrigin::create(chrome_ui_url),
       GURL()));
 
   GURL chrome_dev_tools_url =
       GURL(std::string(content::kChromeDevToolsScheme).append(end_url));
   EXPECT_TRUE(ContentSettingsObserver::IsWhitelistedForContentSettings(
       WebSecurityOrigin::create(chrome_dev_tools_url),
       GURL()));
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   GURL extension_url =
       GURL(std::string(extensions::kExtensionScheme).append(end_url));
   EXPECT_TRUE(ContentSettingsObserver::IsWhitelistedForContentSettings(
       WebSecurityOrigin::create(extension_url),
       GURL()));
 #endif
 
   GURL file_url("file:///dir/");
   EXPECT_TRUE(ContentSettingsObserver::IsWhitelistedForContentSettings(
       WebSecurityOrigin::create(file_url),
       GURL("file:///dir/")));
   EXPECT_FALSE(ContentSettingsObserver::IsWhitelistedForContentSettings(
       WebSecurityOrigin::create(file_url),
       GURL("file:///dir/file")));
 
   GURL http_url =
       GURL("http://server.com/path");
   EXPECT_FALSE(ContentSettingsObserver::IsWhitelistedForContentSettings(
       WebSecurityOrigin::create(http_url),
       GURL()));
 }