1 files changed, 46 insertions, 0 deletions
diff --git a/cc/blink/web_external_bitmap_impl.h b/cc/blink/web_external_bitmap_impl.h
new file mode 100644
index 0000000..905c098
--- /dev/null
+++ b/cc/blink/web_external_bitmap_impl.h
@@ -0,0 +1,46 @@
+// 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.
+
+#ifndef CC_BLINK_WEB_EXTERNAL_BITMAP_IMPL_H_
+#define CC_BLINK_WEB_EXTERNAL_BITMAP_IMPL_H_
+
+#include "base/bind.h"
+#include "base/memory/scoped_ptr.h"
+#include "cc/blink/cc_blink_export.h"
+#include "third_party/WebKit/public/platform/WebExternalBitmap.h"
+
+namespace base {
+class SharedMemory;
+}
+
+namespace cc_blink {
+
+typedef scoped_ptr<base::SharedMemory>(*SharedMemoryAllocationFunction)(size_t);
+
+// Sets the function that this will use to allocate shared memory.
+CC_BLINK_EXPORT void SetSharedMemoryAllocationFunction(
+    SharedMemoryAllocationFunction);
+
+class WebExternalBitmapImpl : public blink::WebExternalBitmap {
+ public:
+  CC_BLINK_EXPORT explicit WebExternalBitmapImpl();
+  virtual ~WebExternalBitmapImpl();
+
+  // blink::WebExternalBitmap implementation.
+  virtual blink::WebSize size() OVERRIDE;
+  virtual void setSize(blink::WebSize size) OVERRIDE;
+  virtual uint8* pixels() OVERRIDE;
+
+  base::SharedMemory* shared_memory() { return shared_memory_.get(); }
+
+ private:
+  scoped_ptr<base::SharedMemory> shared_memory_;
+  blink::WebSize size_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebExternalBitmapImpl);
+};
+
+}  // namespace cc_blink
+
+#endif  // CC_BLINK_WEB_EXTERNAL_BITMAP_IMPL_H_