[M53] Adjust MediaControls for effective zoom when dropping controls.

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

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 688 matching lines @@
         m_durationDisplay.get(),
     };
 
     int usedWidth = 0;
 
     // Assume that all controls require 48px, unless we can get the computed
     // style for the play button.  Since the play button is always shown, it
     // should be available the first time we're called after layout.  This will
     // also be the first time we have m_panelWidth!=0, so it won't matter if
     // we get this wrong before that.
-    int minimumWidth = (m_playButton->layoutObject() && m_playButton->layoutObject()->style())
-        ? m_playButton->layoutObject()->style()->width().pixels()
-        : 48;
+    int minimumWidth = 48;
+    if (m_playButton->layoutObject() && m_playButton->layoutObject()->style()) {
+        const ComputedStyle* style = m_playButton->layoutObject()->style();
+        minimumWidth = ceil(style->width().pixels() / style->effectiveZoom());
+    }
 
     // Special-case the play button; it always fits.
     if (m_playButton->isWanted()) {
         m_playButton->setDoesFit(true);
         usedWidth += minimumWidth;
     }
 
     if (!m_panelWidth) {
         // No layout yet -- hide everything, then make them show up later.
         // This prevents the wrong controls from being shown briefly
@@ skipping 75 matching lines @@
     visitor->trace(m_fullScreenButton);
     visitor->trace(m_durationDisplay);
     visitor->trace(m_enclosure);
     visitor->trace(m_textTrackList);
     visitor->trace(m_castButton);
     visitor->trace(m_overlayCastButton);
     HTMLDivElement::trace(visitor);
 }
 
 } // namespace blink