Move socket API restriction check to browser process

content/browser/renderer_host/render_view_host.cc

Index: content/browser/renderer_host/render_view_host.cc
diff --git a/content/browser/renderer_host/render_view_host.cc b/content/browser/renderer_host/render_view_host.cc
index 24e09f55cf511df9b1d076acc4b5ed677e055b07..0db367eab5100d6866fb5ddb315eb245fe5d1785 100644
--- a/content/browser/renderer_host/render_view_host.cc
+++ b/content/browser/renderer_host/render_view_host.cc
@@ -24,6 +24,7 @@
 #include "content/browser/host_zoom_map_impl.h"
 #include "content/browser/in_process_webkit/session_storage_namespace.h"
 #include "content/browser/power_save_blocker.h"
+#include "content/browser/renderer_host/pepper_message_filter.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
@@ -147,6 +148,9 @@ RenderViewHost::RenderViewHost(SiteInstance* instance,
       content::NOTIFICATION_RENDER_VIEW_HOST_CREATED,
       content::Source<RenderViewHost>(this),
       content::NotificationService::NoDetails());
+
+  PepperMessageFilter::SetRenderSite(process()->GetID(), this->routing_id(),

[jam, 2012/02/10 18:23:54]

it's a bit odd that RenderViewHost (UI thread) is calling PepperMessageFilter
(IO thread) to give it this data. it also breaks the abstraction layer between
the message filters which are supposed to be self-contained places where a
feature is implemented.

+                                     instance_->GetSite());
 }
 
 RenderViewHost::~RenderViewHost() {
@@ -165,6 +169,8 @@ RenderViewHost::~RenderViewHost() {
   // Be sure to clean up any leftover state from cross-site requests.
   CrossSiteRequestManager::GetInstance()->SetHasPendingCrossSiteRequest(
       process()->GetID(), routing_id(), false);
+
+  PepperMessageFilter::SetRenderSite(process()->GetID(), routing_id(), GURL());
 }
 
 bool RenderViewHost::CreateRenderView(const string16& frame_name,
@@ -955,6 +961,9 @@ void RenderViewHost::OnMsgNavigate(const IPC::Message& msg) {
   FilterURL(policy, renderer_id, &validated_params.password_form.action);
 
   delegate_->DidNavigate(this, validated_params);
+
+  PepperMessageFilter::SetRenderSite(renderer_id, routing_id(),
+                                     instance_->GetSite());
 }
 
 void RenderViewHost::OnMsgUpdateState(int32 page_id,