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

content/renderer/renderer_webkitplatformsupport_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 314 matching lines @@
     blink::WebMessagePortChannel** channel2) {
   WebMessagePortChannelImpl::CreatePair(
       child_thread_loop_.get(), channel1, channel2);
 }
 
 blink::WebPrescientNetworking*
 RendererWebKitPlatformSupportImpl::prescientNetworking() {
   return GetContentClient()->renderer()->GetPrescientNetworking();
 }
 
-bool
-RendererWebKitPlatformSupportImpl::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 RendererWebKitPlatformSupportImpl::cacheMetadata(
     const blink::WebURL& url,
     double response_time,
     const char* data,
     size_t size) {
-  if (!CheckPreparsedJsCachingEnabled())
-    return;
-
   // Let the browser know we generated cacheable metadata for this resource. The
   // browser may cache it and return it on subsequent responses to speed
   // the processing of this resource.
   std::vector<char> copy(data, data + size);
   RenderThread::Get()->Send(
       new ViewHostMsg_DidGenerateCacheableMetadata(url, response_time, copy));
 }
 
 WebString RendererWebKitPlatformSupportImpl::defaultLocale() {
   return base::ASCIIToUTF16(RenderThread::Get()->GetLocale());
@@ skipping 780 matching lines @@
   battery_status_dispatcher_->SetListener(listener);
 }
 
 // static
 void RendererWebKitPlatformSupportImpl::MockBatteryStatusChangedForTesting(
     const blink::WebBatteryStatus& status) {
   g_test_battery_status_dispatcher.Get().PostBatteryStatusChange(status);
 }
 
 }  // namespace content