[WeakMemoryCache] Field-Trial: Make Reference from MemoryCache to Resource weak

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index afdd3a8d89442f78c6ee61bd621dd232fce6dbb0..8317e9d6edbbce10f3618195208c892a7b026c2d 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1913,6 +1913,10 @@ const FeatureEntry kFeatureEntries[] = {
      IDS_FLAGS_FONT_CACHE_SCALING_DESCRIPTION, kOsAll,
      FEATURE_VALUE_TYPE(features::kFontCacheScaling)},
 
+    {"enable-weak-memorycache",
+     IDS_FLAGS_ENABLE_WEAK_MEMORYCACHE_NAME,
+     IDS_FLAGS_ENABLE_WEAK_MEMORYCACHE_DESCRIPTION, kOsAll,
+     FEATURE_VALUE_TYPE(features::kWeakMemoryCache)},
     // NOTE: Adding new command-line switches requires adding corresponding
     // entries to enum "LoginCustomFlags" in histograms.xml. See note in
     // histograms.xml and don't forget to run AboutFlagsHistogramTest unit test.