ifdef extensions bits in ContentSettingsObserver.

chrome/renderer/content_settings_observer_unittest.cc

Index: chrome/renderer/content_settings_observer_unittest.cc
diff --git a/chrome/renderer/content_settings_observer_unittest.cc b/chrome/renderer/content_settings_observer_unittest.cc
index cb2f69d5fe03121cddcbadec9442063c71be4912..11505b61fa8b675c9f1a5d339f45ccd78b106849 100644
--- a/chrome/renderer/content_settings_observer_unittest.cc
+++ b/chrome/renderer/content_settings_observer_unittest.cc
@@ -6,12 +6,15 @@
 
 #include "chrome/common/url_constants.h"
 #include "content/public/common/url_constants.h"
-#include "extensions/common/constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 #include "url/gurl.h"
 
+#if defined(ENABLE_EXTENSIONS)
+#include "extensions/common/constants.h"
+#endif
+
 using blink::WebSecurityOrigin;
 
 typedef testing::Test ContentSettingsObserverTest;
@@ -31,11 +34,13 @@ TEST_F(ContentSettingsObserverTest, WhitelistedSchemes) {
       WebSecurityOrigin::create(chrome_dev_tools_url),
       GURL()));
 
+#if defined(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(