Add a libvpx video decoder to ClearKeyCdm and move the fake video decoder to its own class.

webkit/media/crypto/ppapi/fake_cdm_video_decoder.h

Index: webkit/media/crypto/ppapi/fake_cdm_video_decoder.h
diff --git a/webkit/media/crypto/ppapi/fake_cdm_video_decoder.h b/webkit/media/crypto/ppapi/fake_cdm_video_decoder.h
new file mode 100644
index 0000000000000000000000000000000000000000..b266d3051fb6acbab1d59d20841eb1fdbec8dc82
--- /dev/null
+++ b/webkit/media/crypto/ppapi/fake_cdm_video_decoder.h
@@ -0,0 +1,40 @@
+// Copyright (c) 2012 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 WEBKIT_MEDIA_CRYPTO_PPAPI_FAKE_CDM_VIDEO_DECODER_H_
+#define WEBKIT_MEDIA_CRYPTO_PPAPI_FAKE_CDM_VIDEO_DECODER_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "webkit/media/crypto/ppapi/cdm_video_decoder.h"
+#include "webkit/media/crypto/ppapi/content_decryption_module.h"
+
+namespace webkit_media {
+
+class FakeCdmVideoDecoder : public CdmVideoDecoder {
+ public:
+  explicit FakeCdmVideoDecoder(cdm::Allocator* allocator);
+  virtual ~FakeCdmVideoDecoder();
+
+  // CdmVideoDecoder implementation.
+  virtual bool Initialize(const cdm::VideoDecoderConfig& config) OVERRIDE;
+  virtual void Deinitialize() OVERRIDE;
+  virtual void Reset() OVERRIDE;
+  virtual cdm::Status DecodeFrame(const uint8_t* compressed_frame,
+                                  int32_t compressed_frame_size,
+                                  int64_t timestamp,
+                                  cdm::VideoFrame* decoded_frame) OVERRIDE;
+
+ private:
+  bool is_initialized_;
+  cdm::Size video_size_;
+
+  cdm::Allocator* const allocator_;
+
+  DISALLOW_COPY_AND_ASSIGN(FakeCdmVideoDecoder);
+};
+
+}  // namespace webkit_media
+
+#endif  // WEBKIT_MEDIA_CRYPTO_PPAPI_FAKE_CDM_VIDEO_DECODER_H_