blimp: Add settings to allow the client to download the whole page.

blimp/client/app/blimp_client_switches.h

Index: blimp/client/app/blimp_client_switches.h
diff --git a/blimp/client/app/blimp_client_switches.h b/blimp/client/app/blimp_client_switches.h
index b06958f247f587bdd660a16bca06460ced5c9cb2..108cf0181c902a1f06a8d321ad83201696a662d0 100644
--- a/blimp/client/app/blimp_client_switches.h
+++ b/blimp/client/app/blimp_client_switches.h
@@ -30,6 +30,9 @@ extern const char kEnginePort[];
 // Must be used in conjunction with --engine-ip and --engine-port.
 extern const char kEngineTransport[];
 
+// Enables downloading the complete page from the engine.
+extern const char kDownloadWholeDocument[];
+
 }  // namespace switches
 }  // namespace blimp