Introduce v8-cache-strategies-for-cache-storage setting flags.

content/common/content_switches_internal.cc

Index: content/common/content_switches_internal.cc
diff --git a/content/common/content_switches_internal.cc b/content/common/content_switches_internal.cc
index d0d5ec7e9336be17263b143c9e1e3426eaf04d53..4a54502ba14cd90a6ea51d1aace5881cd75f1b9b 100644
--- a/content/common/content_switches_internal.cc
+++ b/content/common/content_switches_internal.cc
@@ -67,6 +67,25 @@ V8CacheOptions GetV8CacheOptions() {
   }
 }
 
+V8CacheStrategiesForCacheStorage GetV8CacheStrategiesForCacheStorage() {
+  const base::CommandLine& command_line =
+      *base::CommandLine::ForCurrentProcess();
+  std::string v8_cache_strategies = command_line.GetSwitchValueASCII(
+      switches::kV8CacheStrategiesForCacheStorage);
+  if (v8_cache_strategies.empty())
+    v8_cache_strategies =
+        base::FieldTrialList::FindFullName("V8CacheStrategiesForCacheStorage");
+  if (v8_cache_strategies == "none") {
+    return V8_CACHE_STRATEGIES_FOR_CACHE_STORAGE_NONE;
+  } else if (v8_cache_strategies == "normal") {
+    return V8_CACHE_STRATEGIES_FOR_CACHE_STORAGE_NORMAL;
+  } else if (v8_cache_strategies == "aggressive") {
+    return V8_CACHE_STRATEGIES_FOR_CACHE_STORAGE_AGGRESSIVE;
+  } else {
+    return V8_CACHE_STRATEGIES_FOR_CACHE_STORAGE_DEFAULT;
+  }
+}
+
 bool IsUseZoomForDSFEnabled() {
   static bool use_zoom_for_dsf_enabled_by_default =
       IsUseZoomForDSFEnabledByDefault();