Convert view manager to surfaces with uploading shim in client lib

mojo/services/view_manager/view_manager_init_service_context.cc

 // Copyright 2014 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 "mojo/services/view_manager/view_manager_init_service_context.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "mojo/services/view_manager/connection_manager.h"
 #include "mojo/services/view_manager/view_manager_init_service_impl.h"
 
 namespace mojo {
 namespace service {
 
 ViewManagerInitServiceContext::ConnectParams::ConnectParams() {}
 
 ViewManagerInitServiceContext::ConnectParams::~ConnectParams() {}
 
 ViewManagerInitServiceContext::ViewManagerInitServiceContext()
-    : is_tree_host_ready_(false),
-      deleting_connection_(false) {}
+    : deleting_connection_(false) {
+}
 ViewManagerInitServiceContext::~ViewManagerInitServiceContext() {}
 
 void ViewManagerInitServiceContext::AddConnection(
     ViewManagerInitServiceImpl* connection) {
   DCHECK(std::find(connections_.begin(), connections_.end(), connection) ==
                    connections_.end());
   connections_.push_back(connection);
 }
 
 void ViewManagerInitServiceContext::RemoveConnection(
@@ skipping 10 matching lines @@
   // may attempt to post tasks during its destruction.
   if (connections_.empty())
     connection_manager_.reset();
 }
 
 void ViewManagerInitServiceContext::ConfigureIncomingConnection(
     ApplicationConnection* connection) {
   if (!connection_manager_.get()) {
     connection_manager_.reset(new ConnectionManager(
         connection,
-        this,
         base::Bind(&ViewManagerInitServiceContext::OnNativeViewportDeleted,
                    base::Unretained(this))));
   }
 }
 
 void ViewManagerInitServiceContext::Embed(
     const String& url,
     ServiceProviderPtr service_provider,
     const Callback<void(bool)>& callback) {
-  ConnectParams* params = new ConnectParams;
-  params->url = url.To<std::string>();
-  params->callback = callback;
-  params->service_provider.Bind(service_provider.PassMessagePipe());
-  connect_params_.push_back(params);
-  MaybeEmbed();
-}
-
-void ViewManagerInitServiceContext::OnDisplayManagerWindowTreeHostCreated() {
-  DCHECK(!is_tree_host_ready_);
-  is_tree_host_ready_ = true;
-  MaybeEmbed();
+  connection_manager_->EmbedRoot(url, Get(&service_provider));
+  callback.Run(true);
 }
 
 void ViewManagerInitServiceContext::OnNativeViewportDeleted() {
   // Prevent the connection from modifying the connection list during manual
   // teardown.
   base::AutoReset<bool> deleting_connection(&deleting_connection_, true);
   for (Connections::const_iterator it = connections_.begin();
        it != connections_.end(); ++it) {
     delete *it;
   }
   connections_.clear();
   connection_manager_.reset();
 }
 
-void ViewManagerInitServiceContext::MaybeEmbed() {
-  if (!is_tree_host_ready_)
-    return;
-
-  for (ScopedVector<ConnectParams>::const_iterator it = connect_params_.begin();
-       it != connect_params_.end(); ++it) {
-    connection_manager_->EmbedRoot((*it)->url, (*it)->service_provider.Pass());
-    (*it)->callback.Run(true);
-  }
-  connect_params_.clear();
-}
-
 }  // namespace service
 }  // namespace mojo