Move UserScript and Extension switches to top-level extensions/.

chrome/browser/extensions/extension_icon_source_apitest.cc

Index: chrome/browser/extensions/extension_icon_source_apitest.cc
diff --git a/chrome/browser/extensions/extension_icon_source_apitest.cc b/chrome/browser/extensions/extension_icon_source_apitest.cc
index 8406ed7c91d6237c4d6327f2564d8ede46b96b05..db7a808c6e9701d20a997493556853f74d59b31d 100644
--- a/chrome/browser/extensions/extension_icon_source_apitest.cc
+++ b/chrome/browser/extensions/extension_icon_source_apitest.cc
@@ -8,10 +8,10 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test_utils.h"
+#include "extensions/common/switches.h"
 #include "net/dns/mock_host_resolver.h"
 #include "url/gurl.h"
 
@@ -19,7 +19,8 @@ class ExtensionIconSourceTest : public ExtensionApiTest {
  protected:
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     ExtensionApiTest::SetUpCommandLine(command_line);
-    command_line->AppendSwitch(switches::kAllowLegacyExtensionManifests);
+    command_line->AppendSwitch(
+        extensions::switches::kAllowLegacyExtensionManifests);
   }
 };