Move session_id.{cc,h} from chrome/browser/sessions to components/sessions

chrome/browser/extensions/page_action_controller_unittest.cc

Index: chrome/browser/extensions/page_action_controller_unittest.cc
diff --git a/chrome/browser/extensions/page_action_controller_unittest.cc b/chrome/browser/extensions/page_action_controller_unittest.cc
index 33e0c8472e4b6db0971272976b8b8ab9ca7ae186..032cc3a19940139bc3bf822244b93091bde51c73 100644
--- a/chrome/browser/extensions/page_action_controller_unittest.cc
+++ b/chrome/browser/extensions/page_action_controller_unittest.cc
@@ -13,7 +13,7 @@
 #include "chrome/browser/extensions/page_action_controller.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/extensions/test_extension_system.h"
-#include "chrome/browser/sessions/session_id.h"
+#include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
 #include "extensions/common/extension.h"
@@ -55,7 +55,7 @@ class PageActionControllerTest : public ChromeRenderViewHostTestHarness {
   }
 
   int tab_id() {
-    return SessionID::IdForTab(web_contents());
+    return SessionTabHelper::IdForTab(web_contents());
   }
 
   ExtensionService* extension_service_;