Revert of Move fetching logic out of ApplicationManager, eliminate url mappings.

mojo/runner/switches.cc

Index: mojo/runner/switches.cc
diff --git a/mojo/runner/switches.cc b/mojo/runner/switches.cc
index 82c0105eb7855d86f7012701a8de17d58fa09c31..53fed8253749dd5b084a04707ee43c10038e818c 100644
--- a/mojo/runner/switches.cc
+++ b/mojo/runner/switches.cc
@@ -18,6 +18,10 @@
 // Used internally to delete a loaded application after we load it. Used for
 // transient applications. Not for user use.
 const char kDeleteAfterLoad[] = "delete-after-load";
+
+// Force dynamically loaded apps or services to be loaded irrespective of cache
+// instructions.
+const char kDisableCache[] = "disable-cache";
 
 // Enables the sandbox on this process.
 const char kEnableSandbox[] = "enable-sandbox";