Move StoragePartition into content/public and remove BrowserContext::GetDOMStorageContext().

chrome/browser/ui/startup/startup_browser_creator_impl.cc

Index: chrome/browser/ui/startup/startup_browser_creator_impl.cc
diff --git a/chrome/browser/ui/startup/startup_browser_creator_impl.cc b/chrome/browser/ui/startup/startup_browser_creator_impl.cc
index d6f193a16532d9a41125b42ce2adc64addf211f4..951b7c89f480745a11710d11c86a5a179164a1a7 100644
--- a/chrome/browser/ui/startup/startup_browser_creator_impl.cc
+++ b/chrome/browser/ui/startup/startup_browser_creator_impl.cc
@@ -77,6 +77,7 @@
 #include "content/public/browser/dom_storage_context.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "content/public/browser/storage_partition.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "grit/locale_settings.h"
@@ -646,8 +647,8 @@ bool StartupBrowserCreatorImpl::ProcessStartupURLs(
   // to start deleting leftover data.
   if (pref.type != SessionStartupPref::LAST &&
       !HasPendingUncleanExit(profile_)) {
-    content::BrowserContext::GetDefaultDOMStorageContext(profile_)->
-        StartScavengingUnusedSessionStorage();
+    content::BrowserContext::GetDefaultStoragePartition(profile_)->
+        GetDOMStorageContext()->StartScavengingUnusedSessionStorage();
   }
 
   return true;