Add support for encrypted WebM files as defined in the RFC.

webkit/media/webmediaplayer_impl.cc

 // 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.
 
 #include "webkit/media/webmediaplayer_impl.h"
 
 #include <limits>
 #include <string>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/message_loop_proxy.h"
 #include "base/metrics/histogram.h"
 #include "base/string_number_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "media/audio/null_audio_sink.h"
 #include "media/base/filter_collection.h"
 #include "media/base/limits.h"
 #include "media/base/media_log.h"
 #include "media/base/media_switches.h"
 #include "media/base/pipeline.h"
 #include "media/base/video_frame.h"
-#include "media/crypto/aes_decryptor.h"
+#include "media/crypto/hmac_aes_decryptor.h"
 #include "media/filters/audio_renderer_impl.h"
 #include "media/filters/video_renderer_base.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebVideoFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebRect.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebSize.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
 #include "v8/include/v8.h"
 #include "webkit/media/buffered_data_source.h"
@@ skipping 113 matching lines @@
           base::Bind(&WebMediaPlayerProxy::Repaint, proxy_),
           base::Bind(&WebMediaPlayerProxy::SetOpaque, proxy_.get()),
           true);
   filter_collection_->AddVideoRenderer(video_renderer);
   proxy_->set_frame_provider(video_renderer);
 
   // Create default audio renderer.
   filter_collection_->AddAudioRenderer(
       new media::AudioRendererImpl(new media::NullAudioSink()));
 
-  decryptor_.reset(new media::AesDecryptor());
+  decryptor_.reset(new media::HmacAesDecryptor());
 }
 
 WebMediaPlayerImpl::~WebMediaPlayerImpl() {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   Destroy();
   media_log_->AddEvent(
       media_log_->CreateEvent(media::MediaLogEvent::WEBMEDIAPLAYER_DESTROYED));
 
   if (delegate_)
     delegate_->PlayerGone(this);
@@ skipping 875 matching lines @@
   return audio_source_provider_;
 }
 
 void WebMediaPlayerImpl::IncrementExternallyAllocatedMemory() {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   incremented_externally_allocated_memory_ = true;
   v8::V8::AdjustAmountOfExternalAllocatedMemory(kPlayerExtraMemory);
 }
 
 }  // namespace webkit_media