Implement --v8-cache-options (instead of --enable-preparsed-js-caching)

content/browser/renderer_host/render_message_filter.cc

Index: content/browser/renderer_host/render_message_filter.cc
diff --git a/content/browser/renderer_host/render_message_filter.cc b/content/browser/renderer_host/render_message_filter.cc
index 9174d12fad402f6a798486a93b8e3358fafbbb46..accda6b3bdcf3b3335d31f7ff2b99e9b50193e44 100644
--- a/content/browser/renderer_host/render_message_filter.cc
+++ b/content/browser/renderer_host/render_message_filter.cc
@@ -986,24 +986,10 @@ void RenderMessageFilter::OnFreeTransportDIB(
 }
 #endif
 
-bool RenderMessageFilter::CheckPreparsedJsCachingEnabled() const {
-  static bool checked = false;
-  static bool result = false;
-  if (!checked) {
-    const CommandLine& command_line = *CommandLine::ForCurrentProcess();
-    result = command_line.HasSwitch(switches::kEnablePreparsedJsCaching);
-    checked = true;
-  }
-  return result;
-}
-
 void RenderMessageFilter::OnCacheableMetadataAvailable(
     const GURL& url,
     double expected_response_time,
     const std::vector<char>& data) {
-  if (!CheckPreparsedJsCachingEnabled())
-    return;
-
   net::HttpCache* cache = request_context_->GetURLRequestContext()->
       http_transaction_factory()->GetCache();
   DCHECK(cache);