1 files changed, 21 insertions, 4 deletions

diff --git a/chromium/third_party/blink/renderer/platform/loader/fetch/script_cached_metadata_handler.h b/chromium/third_party/blink/renderer/platform/loader/fetch/script_cached_metadata_handler.h
index 4d1099b6625..df5ca5535a1 100644
--- a/chromium/third_party/blink/renderer/platform/loader/fetch/script_cached_metadata_handler.h
+++ b/chromium/third_party/blink/renderer/platform/loader/fetch/script_cached_metadata_handler.h
@@ -33,9 +33,9 @@ class PLATFORM_EXPORT ScriptCachedMetadataHandler final
   ScriptCachedMetadataHandler(const WTF::TextEncoding&,
                               std::unique_ptr<CachedMetadataSender>);
   ~ScriptCachedMetadataHandler() override = default;
-  void Trace(blink::Visitor*) override;
-  void SetCachedMetadata(uint32_t, const uint8_t*, size_t, CacheType) override;
-  void ClearCachedMetadata(CacheType) override;
+  void Trace(Visitor*) override;
+  void SetCachedMetadata(uint32_t, const uint8_t*, size_t) override;
+  void ClearCachedMetadata(ClearCacheType) override;
   scoped_refptr<CachedMetadata> GetCachedMetadata(uint32_t) const override;
 
   // This returns the encoding at the time of ResponseReceived(). Therefore this
@@ -56,14 +56,31 @@ class PLATFORM_EXPORT ScriptCachedMetadataHandler final
   size_t GetCodeCacheSize() const override;
 
  private:
-  void SendToPlatform();
+  friend class ModuleScriptTest;
+
+  void CommitToPersistentStorage();
 
   scoped_refptr<CachedMetadata> cached_metadata_;
+  bool cached_metadata_discarded_ = false;
   std::unique_ptr<CachedMetadataSender> sender_;
 
   const WTF::TextEncoding encoding_;
 };
 
+// Describes a few interesting states of the ScriptCachedMetadataHandler when
+// GetCachedMetadata() is called. These values are written to logs. New enum
+// values can be added, but existing enums must never be renumbered or deleted
+// and reused.
+enum class StateOnGet : int {
+  kPresent = 0,
+  kDataTypeMismatch = 1,
+  kWasNeverPresent = 2,
+  kWasDiscarded = 3,
+
+  // Must be equal to the greatest among enumeraiton values.
+  kMaxValue = kWasDiscarded
+};
+
 }  // namespace blink
 
 #endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_SCRIPT_CACHED_METADATA_HANDLER_H_