Teaching BrowsingDataRemover how to delete application data.

content/public/browser/dom_storage_context.h

Index: content/public/browser/dom_storage_context.h
diff --git a/content/public/browser/dom_storage_context.h b/content/public/browser/dom_storage_context.h
index 06c36e303cbf55699d624799ed7c999db4ead2ea..9a541bad895a78520ebc3748305dabc54702032d 100644
--- a/content/public/browser/dom_storage_context.h
+++ b/content/public/browser/dom_storage_context.h
@@ -43,8 +43,10 @@ class DOMStorageContext {
 
   // Delete any local storage files that have been touched since the cutoff
   // date that's supplied. Protected origins, per the SpecialStoragePolicy,
-  // are not deleted by this method.
-  virtual void DeleteDataModifiedSince(const base::Time& cutoff) = 0;
+  // are not deleted by this method unless |include_protected_origins| is
+  // set to true.
+  virtual void DeleteDataModifiedSince(const base::Time& cutoff,
+                                       bool include_protected_origins) = 0;
 
  protected:
   virtual ~DOMStorageContext() {}