mojo leveldb: Get profile and leveldb connected to DOMStorageContext.

content/browser/mojo/mojo_app_connection_impl.h

Index: content/browser/mojo/mojo_app_connection_impl.h
diff --git a/content/browser/mojo/mojo_app_connection_impl.h b/content/browser/mojo/mojo_app_connection_impl.h
index 60caa125eda85f4cfa01fdec9b4be1d68e3baf23..1136d4b8ec29ec26a49bd08dd83857d745bbc4ba 100644
--- a/content/browser/mojo/mojo_app_connection_impl.h
+++ b/content/browser/mojo/mojo_app_connection_impl.h
@@ -14,7 +14,10 @@ namespace content {
 // Implementation of the app connection mechanism provided to browser code.
 class MojoAppConnectionImpl : public MojoAppConnection {
  public:
-  MojoAppConnectionImpl(const std::string& name,
+  // Takes a BrowserContext and derives a mojo userid from it for this
+  // connection.
+  MojoAppConnectionImpl(BrowserContext* context,
+                        const std::string& name,
                         const std::string& requestor_name);
   ~MojoAppConnectionImpl() override;