Implement SetViewContents in the client lib

mojo/services/view_manager/view_manager_connection.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_connection.h"
 
 #include "base/stl_util.h"
 #include "mojo/geometry/geometry_type_converters.h"
 #include "mojo/public/cpp/bindings/allocation_scope.h"
 #include "mojo/services/view_manager/node.h"
@@ skipping 553 matching lines @@
     TransportViewId transport_view_id,
     const Callback<void(bool)>& callback) {
   Node* node = GetNode(NodeIdFromTransportId(transport_node_id));
   const ViewId view_id(ViewIdFromTransportId(transport_view_id));
   callback.Run(CanSetView(node, view_id) && SetViewImpl(node, view_id));
 }
 
 void ViewManagerConnection::SetViewContents(
     TransportViewId view_id,
     ScopedSharedBufferHandle buffer,
-    uint32_t buffer_size) {
+    uint32_t buffer_size,
+    const Callback<void(bool)>& callback) {
   View* view = GetView(ViewIdFromTransportId(view_id));
-  if (!view)
+  if (!view) {
+    callback.Run(false);
     return;
+  }
   void* handle_data;
   if (MapBuffer(buffer.get(), 0, buffer_size, &handle_data,
                 MOJO_MAP_BUFFER_FLAG_NONE) != MOJO_RESULT_OK) {
+    callback.Run(false);
     return;
   }
   SkBitmap bitmap;
   gfx::PNGCodec::Decode(static_cast<const unsigned char*>(handle_data),
                         buffer_size, &bitmap);
   view->SetBitmap(bitmap);
   UnmapBuffer(handle_data);
+  callback.Run(true);
 }
 
 void ViewManagerConnection::SetRoots(
     TransportConnectionId connection_id,
     const Array<TransportNodeId>& transport_node_ids,
     const Callback<void(bool)>& callback) {
   ViewManagerConnection* connection =
       root_node_manager_->GetConnection(connection_id);
   callback.Run(connection &&
                connection->ProcessSetRoots(id_, transport_node_ids));
@@ skipping 31 matching lines @@
 
 void ViewManagerConnection::OnNodeViewReplaced(const Node* node,
                                                const View* new_view,
                                                const View* old_view) {
   root_node_manager_->ProcessNodeViewReplaced(node, new_view, old_view);
 }
 
 }  // namespace service
 }  // namespace view_manager
 }  // namespace mojo