Test

cc/ipc/compositor_frame_metadata_struct_traits.cc

 // 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.
 
 #include "cc/ipc/compositor_frame_metadata_struct_traits.h"
 #include "cc/ipc/begin_frame_args_struct_traits.h"
 #include "cc/ipc/selection_struct_traits.h"
 #include "cc/ipc/surface_id_struct_traits.h"
 #include "ui/gfx/mojo/selection_bound_struct_traits.h"
 #include "ui/latency/mojo/latency_info_struct_traits.h"
 
 namespace mojo {
 
 // static
 bool StructTraits<cc::mojom::CompositorFrameMetadataDataView,
                   cc::CompositorFrameMetadata>::
     Read(cc::mojom::CompositorFrameMetadataDataView data,
          cc::CompositorFrameMetadata* out) {
   out->device_scale_factor = data.device_scale_factor();
   if (!data.ReadRootScrollOffset(&out->root_scroll_offset))
     return false;
 
   out->page_scale_factor = data.page_scale_factor();
   if (!data.ReadScrollableViewportSize(&out->scrollable_viewport_size) ||
       !data.ReadRootLayerSize(&out->root_layer_size)) {
     return false;
   }
 
+  std::vector<cc::mojom::SharedBitmapInfoPtr> shared_bitmaps_to_register;
+  if (!data.ReadSharedBitmapsToRegister(&shared_bitmaps_to_register))
+    return false;
+  for (const auto& entry : shared_bitmaps_to_register) {
+    base::SharedMemoryHandle memory_handle;
+    size_t size;
+    MojoResult result = mojo::UnwrapSharedMemoryHandle(
+        std::move(entry->buffer), &memory_handle, &size, NULL);
+    DCHECK_EQ(result, MOJO_RESULT_OK);
+    out->shared_bitmaps_to_register.push_back({entry->id, memory_handle, size});
+  }
+
   out->min_page_scale_factor = data.min_page_scale_factor();
   out->max_page_scale_factor = data.max_page_scale_factor();
   out->root_overflow_x_hidden = data.root_overflow_x_hidden();
   out->root_overflow_y_hidden = data.root_overflow_y_hidden();
   out->may_contain_video = data.may_contain_video();
   out->is_resourceless_software_draw_with_scroll_or_animation =
       data.is_resourceless_software_draw_with_scroll_or_animation();
   out->top_controls_height = data.top_controls_height();
   out->top_controls_shown_ratio = data.top_controls_shown_ratio();
   out->bottom_controls_height = data.bottom_controls_height();
   out->bottom_controls_shown_ratio = data.bottom_controls_shown_ratio();
   out->content_source_id = data.content_source_id();
   out->frame_token = data.frame_token();
   out->root_background_color = data.root_background_color();
   out->can_activate_before_dependencies =
       data.can_activate_before_dependencies();
   return data.ReadSelection(&out->selection) &&
          data.ReadLatencyInfo(&out->latency_info) &&
          data.ReadReferencedSurfaces(&out->referenced_surfaces) &&
          data.ReadActivationDependencies(&out->activation_dependencies) &&
          data.ReadBeginFrameAck(&out->begin_frame_ack);
 }
 
 }  // namespace mojo