1 files changed, 80 insertions, 0 deletions
diff --git a/chromium/gin/array_buffer.h b/chromium/gin/array_buffer.h
new file mode 100644
index 00000000000..7886fa9be05
--- /dev/null
+++ b/chromium/gin/array_buffer.h
@@ -0,0 +1,80 @@
+// Copyright 2013 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 GIN_ARRAY_BUFFER_H_
+#define GIN_ARRAY_BUFFER_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/memory/ref_counted.h"
+#include "gin/converter.h"
+#include "gin/gin_export.h"
+#include "v8/include/v8.h"
+
+namespace gin {
+
+class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
+ public:
+  virtual void* Allocate(size_t length) OVERRIDE;
+  virtual void* AllocateUninitialized(size_t length) OVERRIDE;
+  virtual void Free(void* data, size_t length) OVERRIDE;
+
+  static ArrayBufferAllocator* SharedInstance();
+};
+
+class GIN_EXPORT ArrayBuffer {
+ public:
+  ArrayBuffer();
+  explicit ArrayBuffer(v8::Isolate* isolate);
+  ArrayBuffer(v8::Isolate* isolate, v8::Handle<v8::ArrayBuffer> buffer);
+  ~ArrayBuffer();
+  ArrayBuffer& operator=(const ArrayBuffer& other);
+
+  void* bytes() const { return bytes_; }
+  size_t num_bytes() const { return num_bytes_; }
+
+ private:
+  class Private;
+
+  scoped_refptr<Private> private_;
+  void* bytes_;
+  size_t num_bytes_;
+
+  DISALLOW_COPY(ArrayBuffer);
+};
+
+template<>
+struct GIN_EXPORT Converter<ArrayBuffer> {
+  static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
+                     ArrayBuffer* out);
+};
+
+class GIN_EXPORT ArrayBufferView {
+ public:
+  ArrayBufferView();
+  ArrayBufferView(v8::Isolate* isolate, v8::Handle<v8::ArrayBufferView> view);
+  ~ArrayBufferView();
+
+  void* bytes() const {
+    return static_cast<uint8_t*>(array_buffer_.bytes()) + offset_;
+  }
+  size_t num_bytes() const { return num_bytes_; }
+
+ private:
+  ArrayBuffer array_buffer_;
+  size_t offset_;
+  size_t num_bytes_;
+
+  DISALLOW_COPY(ArrayBufferView);
+};
+
+template<>
+struct GIN_EXPORT Converter<ArrayBufferView> {
+  static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
+                     ArrayBufferView* out);
+};
+
+}  // namespace gin
+
+#endif  // GIN_ARRAY_BUFFER_H_