Add IPC messages to transfer compositor protos

blimp/engine/browser/blimp_engine_session.cc

 // Copyright 2015 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.
 
 #include "blimp/engine/browser/blimp_engine_session.h"
 
 #include "blimp/common/proto/blimp_message.pb.h"
 #include "blimp/common/proto/control.pb.h"
 #include "blimp/engine/browser/blimp_browser_context.h"
 #include "blimp/engine/ui/blimp_layout_manager.h"
@@ skipping 120 matching lines @@
   if (!web_contents_)
     return;
 
   web_contents_->GetController().Reload(true);
 }
 
 void BlimpEngineSession::ProcessMessage(
     scoped_ptr<BlimpMessage> message,
     const net::CompletionCallback& callback) {
   DCHECK(message->type() == BlimpMessage::CONTROL ||
-         message->type() == BlimpMessage::NAVIGATION);
+      message->type() == BlimpMessage::NAVIGATION ||
+      message->type() == BlimpMessage::COMPOSITOR);
 
   if (message->type() == BlimpMessage::CONTROL) {
     switch (message->control().type()) {
       case ControlMessage::CREATE_TAB:
         CreateWebContents(message->target_tab_id());
         break;
       case ControlMessage::CLOSE_TAB:
         CloseWebContents(message->target_tab_id());
       default:
         NOTIMPLEMENTED();
@@ skipping 74 matching lines @@
 
 void BlimpEngineSession::CloseContents(content::WebContents* source) {
   if (source == web_contents_)
     web_contents_.reset();
 }
 
 void BlimpEngineSession::ActivateContents(content::WebContents* contents) {
   contents->GetRenderViewHost()->GetWidget()->Focus();
 }
 
+void BlimpEngineSession::ForwardCompositorProto(
+    const std::vector<uint8_t>& proto) {
+  // Send the compositor proto over the network layer to the client, which will
+  // apply the proto to their local compositor instance.
+  // TODO(dtrainor): Send the compositor proto.
+}
+
 void BlimpEngineSession::PlatformSetContents(
     scoped_ptr<content::WebContents> new_contents) {
   new_contents->SetDelegate(this);
   web_contents_ = new_contents.Pass();
 
   aura::Window* parent = window_tree_host_->window();
   aura::Window* content = web_contents_->GetNativeView();
   if (!parent->Contains(content))
     parent->AddChild(content);
   content->Show();
 }
 
 }  // namespace engine
 }  // namespace blimp