Support earliest seekable time in WMPI.

media/blink/webmediaplayer_impl.h

 // 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.
 
 #ifndef MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_
 #define MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 96 matching lines @@
   // True if the loaded media has a playable video/audio track.
   bool hasVideo() const override;
   bool hasAudio() const override;
 
   // Dimensions of the video.
   blink::WebSize naturalSize() const override;
 
   // Getters of playback state.
   bool paused() const override;
   bool seeking() const override;
+  double earliestTime() const override;
   double duration() const override;
   virtual double timelineOffset() const;
   double currentTime() const override;
 
   // Internal states of loading and network.
   // TODO(hclam): Ask the pipeline about the state rather than having reading
   // them from members which would cause race conditions.
   blink::WebMediaPlayer::NetworkState networkState() const override;
   blink::WebMediaPlayer::ReadyState readyState() const override;
 
@@ skipping 215 matching lines @@
   scoped_ptr<blink::WebContentDecryptionModuleResult> set_cdm_result_;
 
   scoped_ptr<RendererFactory> renderer_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_