Initialize VTTCue::m_displaySize to undefinedSize

Source/core/html/track/vtt/VTTCue.cpp

 /*
  * Copyright (c) 2013, Opera Software ASA. 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 36 matching lines @@
 #include "core/html/track/vtt/VTTScanner.h"
 #include "core/rendering/RenderVTTCue.h"
 #include "platform/text/BidiResolver.h"
 #include "platform/text/TextRunIterator.h"
 #include "wtf/MathExtras.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace WebCore {
 
 static const int undefinedPosition = -1;
+static const int undefinedSize = -1;
 
 static const CSSValueID displayWritingModeMap[] = {
     CSSValueHorizontalTb, CSSValueVerticalRl, CSSValueVerticalLr
 };
 COMPILE_ASSERT(WTF_ARRAY_LENGTH(displayWritingModeMap) == VTTCue::NumberOfWritingDirections,
     displayWritingModeMap_has_wrong_size);
 
 static const CSSValueID displayAlignmentMap[] = {
     CSSValueStart, CSSValueCenter, CSSValueEnd, CSSValueLeft, CSSValueRight
 };
@@ skipping 138 matching lines @@
     , m_text(text)
     , m_linePosition(undefinedPosition)
     , m_computedLinePosition(undefinedPosition)
     , m_textPosition(50)
     , m_cueSize(100)
     , m_writingDirection(Horizontal)
     , m_cueAlignment(Middle)
     , m_vttNodeTree(0)
     , m_cueBackgroundBox(HTMLDivElement::create(document))
     , m_displayDirection(CSSValueLtr)
+    , m_displaySize(undefinedSize)
     , m_snapToLines(true)
     , m_displayTreeShouldChange(true)
     , m_notifyRegion(true)
 {
     ScriptWrappable::init(this);
 }
 
 VTTCue::~VTTCue()
 {
     displayTreeInternal()->remove(ASSERT_NO_EXCEPTION);
@@ skipping 813 matching lines @@
     return m_displayDirection;
 }
 
 CSSValueID VTTCue::getCSSWritingMode() const
 {
     return displayWritingModeMap[m_writingDirection];
 }
 
 int VTTCue::getCSSSize() const
 {
+    ASSERT(m_displaySize != undefinedSize);
     return m_displaySize;
 }
 
 std::pair<double, double> VTTCue::getCSSPosition() const
 {
     if (!m_snapToLines)
         return getPositionCoordinates();
 
     return m_displayPosition;
 }
 
 ExecutionContext* VTTCue::executionContext() const
 {
     ASSERT(m_cueBackgroundBox);
     return m_cueBackgroundBox->executionContext();
 }
 
 Document& VTTCue::document() const
 {
     ASSERT(m_cueBackgroundBox);
     return m_cueBackgroundBox->document();
 }
 
 } // namespace WebCore