Fire CanPlayThrough immediately for local and streaming media files

webkit/media/webmediaplayer_impl.cc

 // Copyright (c) 2011 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"
@@ skipping 273 matching lines @@
         media_stream_client_->GetVideoDecoder(url, message_loop_factory_.get());
     if (new_decoder.get()) {
       // Remove the default decoder.
       scoped_refptr<media::VideoDecoder> old_videodecoder;
       filter_collection_->SelectVideoDecoder(&old_videodecoder);
       filter_collection_->AddVideoDecoder(new_decoder.get());
       has_video = true;
     }
 
     // TODO(wjia): add audio decoder handling when it's available.
-    if (has_video || has_audio)
+    if (has_video || has_audio) {
       filter_collection_->SetDemuxerFactory(
           new media::DummyDemuxerFactory(has_video, has_audio));
+      pipeline_->SetMediaStream(true);
+    }
   }
 
   // Handle any volume changes that occured before load().
   setVolume(GetClient()->volume());
   // Get the preload value.
   setPreload(GetClient()->preload());
 
   // Initialize the pipeline.
   SetNetworkState(WebKit::WebMediaPlayer::Loading);
   SetReadyState(WebKit::WebMediaPlayer::HaveNothing);
@@ skipping 601 matching lines @@
   return client_;
 }
 
 void WebMediaPlayerImpl::IncrementExternallyAllocatedMemory() {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   incremented_externally_allocated_memory_ = true;
   v8::V8::AdjustAmountOfExternalAllocatedMemory(kPlayerExtraMemory);
 }
 
 }  // namespace webkit_media