add pepper video decoder glue and delegate

webkit/glue/plugins/pepper_plugin_delegate.h

 // Copyright (c) 2010 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_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_
 #define WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_
 
 #include <string>
 
 #include "base/shared_memory.h"
 #include "base/sync_socket.h"
+#include "third_party/ppapi/c/pp_completion_callback.h"
+#include "third_party/ppapi/c/pp_errors.h"
 #include "third_party/ppapi/c/pp_stdint.h"
+#include "third_party/ppapi/c/pp_video.h"
 
 class AudioMessageFilter;
 
 namespace skia {
 class PlatformCanvas;
 }
 
 namespace WebKit {
 class WebFileChooserCompletion;
 struct WebFileChooserParams;
@@ skipping 42 matching lines @@
 
     // Stops the playback. Returns false on error or if called before the stream
     // is created or after the stream is closed.
     virtual bool StopPlayback() = 0;
 
     // Closes the stream. Make sure to call this before the object is
     // destructed.
     virtual void ShutDown() = 0;
   };
 
+  class PlatformVideoDecoder {
+   public:
+    virtual ~PlatformVideoDecoder() {}
+
+    // Returns false on failure.
+    virtual bool Decode(PP_VideoCompressedDataBuffer& input_buffer) = 0;
+    virtual int32_t Flush(PP_CompletionCallback& callback) = 0;
+    virtual bool ReturnUncompressedDataBuffer(
+        PP_VideoUncompressedDataBuffer& buffer) = 0;
+  };
+
   // Indicates that the given instance has been created.
   virtual void InstanceCreated(pepper::PluginInstance* instance) = 0;
 
   // Indicates that the given instance is being destroyed. This is called from
   // the destructor, so it's important that the instance is not dereferenced
   // from this call.
   virtual void InstanceDeleted(pepper::PluginInstance* instance) = 0;
 
   // The caller will own the pointer returned from this.
   virtual PlatformImage2D* CreateImage2D(int width, int height) = 0;
 
+  // The caller will own the pointer returned from this.
+  virtual PlatformVideoDecoder* CreateVideoDecoder(
+      const PP_VideoDecoderConfig& decoder_config) = 0;
+
   // Notifies that the number of find results has changed.
   virtual void DidChangeNumberOfFindResults(int identifier,
                                            int total,
                                            bool final_result) = 0;
 
   // Notifies that the index of the currently selected item has been updated.
   virtual void DidChangeSelectedFindResult(int identifier, int index) = 0;
 
   // The caller will own the pointer returned from this.
   virtual PlatformAudio* CreateAudio(uint32_t sample_rate,
                                      uint32_t sample_count,
                                      PlatformAudio::Client* client) = 0;
 
   // Runs a file chooser.
   virtual bool RunFileChooser(
       const WebKit::WebFileChooserParams& params,
       WebKit::WebFileChooserCompletion* chooser_completion) = 0;
 };
 
 }  // namespace pepper
 
 #endif  // WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_