Move chrome/common/extensions/background_info.h to src/extensions

chrome/browser/extensions/app_background_page_apitest.cc

Index: chrome/browser/extensions/app_background_page_apitest.cc
diff --git a/chrome/browser/extensions/app_background_page_apitest.cc b/chrome/browser/extensions/app_background_page_apitest.cc
index 8687af80d2e9afbc43cbf6e7d76042225658160f..30df4cea0d003258445c71277966166d367dbe39 100644
--- a/chrome/browser/extensions/app_background_page_apitest.cc
+++ b/chrome/browser/extensions/app_background_page_apitest.cc
@@ -20,6 +20,7 @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_notification_tracker.h"
 #include "content/public/test/test_utils.h"
+#include "extensions/common/switches.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 
@@ -34,7 +35,7 @@ class AppBackgroundPageApiTest : public ExtensionApiTest {
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     ExtensionApiTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kDisablePopupBlocking);
-    command_line->AppendSwitch(switches::kAllowHTTPBackgroundPage);
+    command_line->AppendSwitch(extensions::switches::kAllowHTTPBackgroundPage);
   }
 
   bool CreateApp(const std::string& app_manifest,