mojo: Use ContentHandlers to bundle multiple Applications into a module.

mojo/runner/context.cc

Index: mojo/runner/context.cc
diff --git a/mojo/runner/context.cc b/mojo/runner/context.cc
index 9f96cda1d2e1aaebf5cf8301b50278c5f4d16778..942b5dc0b5ea09593655de4b6b94f61321ccbe95 100644
--- a/mojo/runner/context.cc
+++ b/mojo/runner/context.cc
@@ -110,6 +110,11 @@ void InitContentHandlers(shell::ApplicationManager* manager,
   manager->RegisterContentHandler("image/png", GURL("mojo:png_viewer"));
   manager->RegisterContentHandler("text/html", GURL("mojo:html_viewer"));
 
+  // TODO(erg): We should probably handle this differently; these could be
+  // autogenerated from package manifests.
+  manager->RegisterApplicationPackageAlias(GURL("mojo:clipboard"),
+                                           GURL("mojo:core_services"));
+
   // Command-line-specified content handlers.
   std::string handlers_spec =
       command_line.GetSwitchValueASCII(switches::kContentHandlers);