Fix an issue that video is not seekable

content/renderer/media/android/webmediaplayer_android.cc

 // 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.
 
 #include "content/renderer/media/android/webmediaplayer_android.h"
 
 #include <limits>
 
 #include "base/android/build_info.h"
 #include "base/bind.h"
@@ skipping 717 matching lines @@
     // already triggers a durationchanged event. If this is a different
     // transition, remember to signal durationchanged.
     // Do not ever signal durationchanged on metadata change in MSE case
     // because OnDurationChanged() handles this.
     if (ready_state_ > WebMediaPlayer::ReadyStateHaveNothing &&
         player_type_ != MEDIA_PLAYER_TYPE_MEDIA_SOURCE) {
       need_to_signal_duration_changed = true;
     }
   }
 
+  // UpdateReadyState(WebMediaPlayer::ReadyStateHaveMetadata) will trigger a
+  // call to duration(), which checks |has_valid_metadata_|. so
+  // |has_valid_metadata_| has to be updated before calling UpdateReadyState().
+  has_valid_metadata_ = success;
   if (ready_state_ != WebMediaPlayer::ReadyStateHaveEnoughData) {
     UpdateReadyState(WebMediaPlayer::ReadyStateHaveMetadata);
     UpdateReadyState(WebMediaPlayer::ReadyStateHaveEnoughData);
   }
 
   // TODO(wolenetz): Should we just abort early and set network state to an
   // error if success == false? See http://crbug.com/248399
   if (success)
     OnVideoSizeChanged(width, height);
 
-  has_valid_metadata_ = success;
-
   if (need_to_signal_duration_changed)
     client_->durationChanged();
 }
 
 void WebMediaPlayerAndroid::OnPlaybackComplete() {
   // When playback is about to finish, android media player often stops
   // at a time which is smaller than the duration. This makes webkit never
   // know that the playback has finished. To solve this, we set the
   // current time to media duration when OnPlaybackComplete() get called.
   interpolator_.SetBounds(duration_, duration_);
@@ skipping 1031 matching lines @@
 
 bool WebMediaPlayerAndroid::IsHLSStream() const {
   std::string mime;
   GURL url = redirected_url_.is_empty() ? url_ : redirected_url_;
   if (!net::GetMimeTypeFromFile(base::FilePath(url.path()), &mime))
     return false;
   return !mime.compare("application/x-mpegurl");
 }
 
 }  // namespace content