Initial support for partitioning cookies for isolated apps.

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 e7262bb47f3a5f07257a2e89a4ebac6d91cf3f95..dfa857444ab200c7da8bbafd9055a2843a5d0033 100644
--- a/content/browser/renderer_host/render_message_filter.cc
+++ b/content/browser/renderer_host/render_message_filter.cc
@@ -298,7 +298,8 @@ RenderMessageFilter::RenderMessageFilter(
     int render_process_id,
     PluginService* plugin_service,
     Profile* profile,
-    RenderWidgetHelper* render_widget_helper)
+    RenderWidgetHelper* render_widget_helper,
+    const Extension* installed_app)
     : resource_dispatcher_host_(g_browser_process->resource_dispatcher_host()),
       plugin_service_(plugin_service),
       profile_(profile),
@@ -312,7 +313,9 @@ RenderMessageFilter::RenderMessageFilter(
       off_the_record_(profile->IsOffTheRecord()),
       webkit_context_(profile->GetWebKitContext()),
       render_process_id_(render_process_id) {
-  request_context_ = profile_->GetRequestContext();
+  // Use a separate request context for hosted or packaged apps that have
+  // requested isolated storage.
+  request_context_ = profile_->GetRequestContextForPossibleApp(installed_app);
   DCHECK(request_context_);
 
   render_widget_helper_->Init(render_process_id_, resource_dispatcher_host_);