Interface for associating in-memory hint bytes with disk cache entries.

net/http/mock_http_cache.cc

Index: net/http/mock_http_cache.cc
diff --git a/net/http/mock_http_cache.cc b/net/http/mock_http_cache.cc
index 5363d3af29dd0067ce58b9cd9489b40f2b545b16..4504b9770ec4971a590b9eb9ffcadcd661a974f5 100644
--- a/net/http/mock_http_cache.cc
+++ b/net/http/mock_http_cache.cc
@@ -68,6 +68,7 @@ struct MockDiskEntry::CallbackInfo {
 
 MockDiskEntry::MockDiskEntry(const std::string& key)
     : key_(key),
+      memory_entry_data_(0),
       doomed_(false),
       sparse_(false),
       fail_requests_(false),
@@ -370,10 +371,13 @@ bool MockDiskEntry::ignore_callbacks_ = false;
 //-----------------------------------------------------------------------------
 
 MockDiskCache::MockDiskCache()
-    : open_count_(0), create_count_(0), fail_requests_(false),
-      soft_failures_(false), double_create_check_(true),
-      fail_sparse_requests_(false) {
-}
+    : open_count_(0),
+      create_count_(0),
+      fail_requests_(false),
+      soft_failures_(false),
+      double_create_check_(true),
+      fail_sparse_requests_(false),
+      support_memory_entry_data_(true) {}
 
 MockDiskCache::~MockDiskCache() {
   ReleaseAll();
@@ -521,6 +525,22 @@ size_t MockDiskCache::DumpMemoryStats(
   return 0u;
 }
 
+uint8_t MockDiskCache::GetMemoryEntryData(const std::string& key) {
+  if (!support_memory_entry_data_)
+    return 0;
+
+  EntryMap::iterator it = entries_.find(key);
+  if (it != entries_.end())
+    return it->second->memory_entry_data();
+  return 0;
+}
+
+void MockDiskCache::SetMemoryEntryData(const std::string& key, uint8_t data) {
+  EntryMap::iterator it = entries_.find(key);
+  if (it != entries_.end())
+    it->second->set_memory_entry_data(data);
+}
+
 void MockDiskCache::ReleaseAll() {
   EntryMap::iterator it = entries_.begin();
   for (; it != entries_.end(); ++it)