[HBD] Remove PluginCache and reload plugin list when origin changes

content/renderer/renderer_blink_platform_impl.cc

Index: content/renderer/renderer_blink_platform_impl.cc
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
index b45e915dc0e1c300df90b955ac07991f01302ed8..00b53f689be5c25e66042fccc0852782ab7df012 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -799,12 +799,14 @@ blink::WebMIDIAccessor* RendererBlinkPlatformImpl::createMIDIAccessor(
 
 void RendererBlinkPlatformImpl::getPluginList(
     bool refresh,
+    const blink::WebSecurityOrigin& mainFrameOrigin,
     blink::WebPluginListBuilder* builder) {
 #if defined(ENABLE_PLUGINS)
   std::vector<WebPluginInfo> plugins;
   if (!plugin_refresh_allowed_)
     refresh = false;
-  RenderThread::Get()->Send(new FrameHostMsg_GetPlugins(refresh, &plugins));
+  RenderThread::Get()->Send(
+      new FrameHostMsg_GetPlugins(refresh, mainFrameOrigin, &plugins));
   for (const WebPluginInfo& plugin : plugins) {
     builder->addPlugin(
         plugin.name, plugin.desc,