Test

cc/ipc/compositor_frame_metadata_struct_traits.h

Index: cc/ipc/compositor_frame_metadata_struct_traits.h
diff --git a/cc/ipc/compositor_frame_metadata_struct_traits.h b/cc/ipc/compositor_frame_metadata_struct_traits.h
index 2959ababfe84768bb6c13f21ca7a30e7778e25f6..653f110f7b89f97144b82efcf4965f8ba54a8575 100644
--- a/cc/ipc/compositor_frame_metadata_struct_traits.h
+++ b/cc/ipc/compositor_frame_metadata_struct_traits.h
@@ -5,8 +5,9 @@
 #ifndef CC_IPC_COMPOSITOR_FRAME_METADATA_STRUCT_TRAITS_H_
 #define CC_IPC_COMPOSITOR_FRAME_METADATA_STRUCT_TRAITS_H_
 
-#include "cc/ipc/compositor_frame_metadata.mojom-shared.h"
+#include "cc/ipc/compositor_frame_metadata.mojom.h"
 #include "cc/output/compositor_frame_metadata.h"
+#include "mojo/public/cpp/system/platform_handle.h"
 
 namespace mojo {
 
@@ -130,6 +131,32 @@ struct StructTraits<cc::mojom::CompositorFrameMetadataDataView,
     return metadata.frame_token;
   }
 
+  static std::vector<cc::mojom::SharedBitmapInfoPtr>& shared_bitmaps_to_register(
+      const cc::CompositorFrameMetadata& metadata, void* context) {
+    static std::vector<cc::mojom::SharedBitmapInfoPtr> empty_vector;
+    if (!context)
+      return empty_vector;
+    return *static_cast<std::vector<cc::mojom::SharedBitmapInfoPtr>*>(context);
+  }
+
+  static void* SetUpContext(const cc::CompositorFrameMetadata& metadata) {
+    if (metadata.shared_bitmaps_to_register.empty())
+      return nullptr;
+    auto* result = new std::vector<cc::mojom::SharedBitmapInfoPtr>();
+    for (const auto& info : metadata.shared_bitmaps_to_register) {
+      mojo::ScopedSharedBufferHandle buffer_handle = mojo::WrapSharedMemoryHandle(
+          info.handle, info.size, true /* read_only */);
+      DCHECK(buffer_handle.is_valid());
+      result->push_back(cc::mojom::SharedBitmapInfo::New(std::move(buffer_handle), info.id));
+    }
+    return result;
+  }
+  static void TearDownContext(const cc::CompositorFrameMetadata& metadata,
+                              void* context) {
+    if (context)
+      delete static_cast<std::vector<cc::mojom::SharedBitmapInfoPtr>*>(context);
+  }
+
   static bool Read(cc::mojom::CompositorFrameMetadataDataView data,
                    cc::CompositorFrameMetadata* out);
 };