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

content/browser/frame_host/render_frame_message_filter.cc

Index: content/browser/frame_host/render_frame_message_filter.cc
diff --git a/content/browser/frame_host/render_frame_message_filter.cc b/content/browser/frame_host/render_frame_message_filter.cc
index 9776983665a13957b204f53c19fa4a090e58cacc..f89517ce3e7759126ae0f9dd8058e37fbce2a460 100644
--- a/content/browser/frame_host/render_frame_message_filter.cc
+++ b/content/browser/frame_host/render_frame_message_filter.cc
@@ -452,6 +452,7 @@ void RenderFrameMessageFilter::GetCookies(int render_frame_id,
 
 void RenderFrameMessageFilter::OnGetPlugins(
     bool refresh,
+    const url::Origin& main_frame_origin,
     IPC::Message* reply_msg) {
   // Don't refresh if the specified threshold has not been passed.  Note that
   // this check is performed before off-loading to the file thread.  The reason
@@ -470,12 +471,14 @@ void RenderFrameMessageFilter::OnGetPlugins(
     }
   }
 
-  PluginServiceImpl::GetInstance()->GetPlugins(base::Bind(
-      &RenderFrameMessageFilter::GetPluginsCallback, this, reply_msg));
+  PluginServiceImpl::GetInstance()->GetPlugins(
+      base::Bind(&RenderFrameMessageFilter::GetPluginsCallback, this, reply_msg,
+                 main_frame_origin));
 }
 
 void RenderFrameMessageFilter::GetPluginsCallback(
     IPC::Message* reply_msg,
+    const url::Origin& main_frame_origin,
     const std::vector<WebPluginInfo>& all_plugins) {
   // Filter the plugin list.
   PluginServiceFilter* filter = PluginServiceImpl::GetInstance()->GetFilter();
@@ -486,12 +489,10 @@ void RenderFrameMessageFilter::GetPluginsCallback(
   // In this loop, copy the WebPluginInfo (and do not use a reference) because
   // the filter might mutate it.
   for (WebPluginInfo plugin : all_plugins) {
-    if (!filter || filter->IsPluginAvailable(child_process_id,
-                                             routing_id,
-                                             resource_context_,
-                                             GURL(),
-                                             GURL(),
-                                             &plugin)) {
+    if (!filter ||
+        filter->IsPluginAvailable(
+            child_process_id, routing_id, resource_context_, GURL(),
+            GURL(main_frame_origin.Serialize()), &plugin)) {
       plugins.push_back(plugin);
     }
   }