Track SimpleCache memory usage in net/ MemoryDumpProvider

content/browser/cache_storage/cache_storage_cache_unittest.cc

Index: content/browser/cache_storage/cache_storage_cache_unittest.cc
diff --git a/content/browser/cache_storage/cache_storage_cache_unittest.cc b/content/browser/cache_storage/cache_storage_cache_unittest.cc
index fd27f866ad1259d6f2fc99d5cd59cead9fd9bf61..87898d3464fd033a805842bfea40da589041b6c5 100644
--- a/content/browser/cache_storage/cache_storage_cache_unittest.cc
+++ b/content/browser/cache_storage/cache_storage_cache_unittest.cc
@@ -13,6 +13,7 @@
 
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
+#include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
@@ -117,6 +118,10 @@ class DelayableBackend : public disk_cache::Backend {
   void OnExternalCacheHit(const std::string& key) override {
     return backend_->OnExternalCacheHit(key);
   }
+  size_t EstimateMemoryUsage() const override {
+    NOTREACHED();
+    return 0;
+  }
 
   // Call to continue a delayed doom.
   void DoomEntryContinue() {