Test

cc/output/compositor_frame_metadata.h

Index: cc/output/compositor_frame_metadata.h
diff --git a/cc/output/compositor_frame_metadata.h b/cc/output/compositor_frame_metadata.h
index 9e73fc5b926162446fdb27ae02c052b1307e2b47..7dfc65777218e7a28ed971d26d7907d86c4b2bb4 100644
--- a/cc/output/compositor_frame_metadata.h
+++ b/cc/output/compositor_frame_metadata.h
@@ -9,8 +9,10 @@
 
 #include <vector>
 
+#include "base/memory/shared_memory.h"
 #include "cc/cc_export.h"
 #include "cc/input/selection.h"
+#include "cc/resources/shared_bitmap.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/surfaces/surface_id.h"
 #include "third_party/skia/include/core/SkColor.h"
@@ -116,6 +118,14 @@ class CC_EXPORT CompositorFrameMetadata {
   // the embedder wants to do something after a particular frame is processed.
   uint32_t frame_token = 0;
 
+  struct SharedBitmapInfo {
+    SharedBitmapId id;
+    base::SharedMemoryHandle handle;
+    size_t size;
+  };
+
+  std::vector<SharedBitmapInfo> shared_bitmaps_to_register;
+
  private:
   CompositorFrameMetadata(const CompositorFrameMetadata& other);
   CompositorFrameMetadata operator=(const CompositorFrameMetadata&) = delete;