2 files changed, 7 insertions, 0 deletions
diff --git a/extensions/shell/browser/shell_special_storage_policy.cc b/extensions/shell/browser/shell_special_storage_policy.cc
index 5ed1b50..d43c71b 100644
--- a/extensions/shell/browser/shell_special_storage_policy.cc
+++ b/extensions/shell/browser/shell_special_storage_policy.cc
@@ -20,6 +20,12 @@ bool ShellSpecialStoragePolicy::IsStorageUnlimited(const GURL& origin) {
   return true;
 }
 
+bool ShellSpecialStoragePolicy::IsStorageDurable(const GURL& origin) {
+  // The plan is to forbid extensions from acquiring the durable storage
+  // permission because they can specify 'unlimitedStorage' in the manifest.
+  return false;
+}
+
 bool ShellSpecialStoragePolicy::IsStorageSessionOnly(const GURL& origin) {
   return false;
 }
diff --git a/extensions/shell/browser/shell_special_storage_policy.h b/extensions/shell/browser/shell_special_storage_policy.h
index e59602f..dc78154 100644
--- a/extensions/shell/browser/shell_special_storage_policy.h
+++ b/extensions/shell/browser/shell_special_storage_policy.h
@@ -18,6 +18,7 @@ class ShellSpecialStoragePolicy : public storage::SpecialStoragePolicy {
   // storage::SpecialStoragePolicy implementation.
   bool IsStorageProtected(const GURL& origin) override;
   bool IsStorageUnlimited(const GURL& origin) override;
+  bool IsStorageDurable(const GURL& origin) override;
   bool IsStorageSessionOnly(const GURL& origin) override;
   bool CanQueryDiskSize(const GURL& origin) override;
   bool HasIsolatedStorage(const GURL& origin) override;