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

blimp/common/proto/settings.proto

Index: blimp/common/proto/settings.proto
diff --git a/blimp/common/proto/settings.proto b/blimp/common/proto/settings.proto
new file mode 100644
index 0000000000000000000000000000000000000000..17b25f393498e8ae7d92ffc5ec4b6c52ab7b3489
--- /dev/null
+++ b/blimp/common/proto/settings.proto
@@ -0,0 +1,20 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+syntax = "proto2";
+
+option optimize_for = LITE_RUNTIME;
+
+package blimp;
+
+// This includes any settings/flags that can be set on the client or the engine.
+message SettingsMessage {
+  optional EngineSettingsMessage engine_settings = 1;
+}
+
+// Client ==> Engine Settings
+message EngineSettingsMessage {

[haibinlu, 2016/03/22 17:28:39]

you can put record_whole_document directly in SettingsMessage, and remove 
EngineSettingsMessage

[Khushal, 2016/03/25 23:00:22]

I was putting it in EngineSettingsMessage so in case we add settings that go
from the engine to client, they can distinctly be added here. You think it would
be better if it were in a single message?

+  // -----------------------Web Preferences----------------------
+  optional bool record_whole_document = 1;
+}