Support earliest seekable time in WMPI.

third_party/WebKit/Source/core/html/shadow/MediaControlElements.cpp

 /*
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 390 matching lines @@
     if (event->type() == EventTypeNames::mouseup)
         mediaControls().endScrubbing();
 
     MediaControlInputElement::defaultEventHandler(event);
 
     if (event->type() == EventTypeNames::mouseover || event->type() == EventTypeNames::mouseout || event->type() == EventTypeNames::mousemove)
         return;
 
     double time = value().toDouble();
     if (event->type() == EventTypeNames::input) {
-        // FIXME: This will need to take the timeline offset into consideration
-        // once that concept is supported, see https://crbug.com/312699
         if (mediaElement().seekable()->contain(time))
             mediaElement().setCurrentTime(time);
     }
 
     LayoutSlider* slider = toLayoutSlider(layoutObject());
     if (slider && slider->inDragMode())
         mediaControls().updateCurrentTimeDisplay();
 }
 
 bool MediaControlTimelineElement::willRespondToMouseClickEvents()
 {
     return inDocument() && document().isActive();
 }
 
+void MediaControlTimelineElement::setEarliestPosition(double earliestTime)
+{
+    setFloatingPointAttribute(minAttr, earliestTime);
+}
+
 void MediaControlTimelineElement::setPosition(double currentTime)
 {
     setValue(String::number(currentTime));
 
     if (LayoutObject* layoutObject = this->layoutObject())
         layoutObject->setShouldDoFullPaintInvalidation();
 }
 
 void MediaControlTimelineElement::setDuration(double duration)
 {
@@ skipping 213 matching lines @@
 }
 
 PassRefPtrWillBeRawPtr<MediaControlCurrentTimeDisplayElement> MediaControlCurrentTimeDisplayElement::create(MediaControls& mediaControls)
 {
     RefPtrWillBeRawPtr<MediaControlCurrentTimeDisplayElement> element = adoptRefWillBeNoop(new MediaControlCurrentTimeDisplayElement(mediaControls));
     element->setShadowPseudoId(AtomicString("-webkit-media-controls-current-time-display", AtomicString::ConstructFromLiteral));
     return element.release();
 }
 
 } // namespace blink