Test

cc/ipc/compositor_frame_metadata_struct_traits.h

 // 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.
 
 #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 {
 
 template <>
 struct StructTraits<cc::mojom::CompositorFrameMetadataDataView,
                     cc::CompositorFrameMetadata> {
   static float device_scale_factor(
       const cc::CompositorFrameMetadata& metadata) {
     return metadata.device_scale_factor;
   }
@@ skipping 103 matching lines @@
 
   static const cc::BeginFrameAck& begin_frame_ack(
       const cc::CompositorFrameMetadata& metadata) {
     return metadata.begin_frame_ack;
   }
 
   static uint32_t frame_token(const cc::CompositorFrameMetadata& metadata) {
     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);
 };
 
 }  // namespace mojo
 
 #endif  // CC_IPC_COMPOSITOR_FRAME_METADATA_STRUCT_TRAITS_H_