mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

content/public/browser/mojo_app_connection.h

Index: content/public/browser/mojo_app_connection.h
diff --git a/content/public/browser/mojo_app_connection.h b/content/public/browser/mojo_app_connection.h
index 3878825889ef93fe8e2e187cfa168c2797617dd0..22b668041aaff088c87f5156b24e24e57b53657c 100644
--- a/content/public/browser/mojo_app_connection.h
+++ b/content/public/browser/mojo_app_connection.h
@@ -15,6 +15,8 @@
 
 namespace content {
 
+class BrowserContext;
+
 // A virtual app URL identifying the browser itself. This should be used for
 // a connection's |requestor_url| when connecting from browser code to apps that
 // don't require a more specific request context.
@@ -28,9 +30,11 @@ class CONTENT_EXPORT MojoAppConnection {
   virtual ~MojoAppConnection() {}
 
   // Creates a new connection to the application at |name| using
-  // |requestor_name| to identify the requestor upon connection. This may be
-  // called from any thread.
+  // |requestor_name| to identify the requestor and |context|'s mojo userid to
+  // specify a profile specific application instantiation. This may be called
+  // from any thread.
   static scoped_ptr<MojoAppConnection> Create(
+      uint32_t user_id,
       const std::string& name,
       const std::string& requestor_name);