Use nullptr_t for RefPtr, PassRefPtr and RawPtr.

Source/platform/fonts/SimpleFontData.cpp

Index: Source/platform/fonts/SimpleFontData.cpp
diff --git a/Source/platform/fonts/SimpleFontData.cpp b/Source/platform/fonts/SimpleFontData.cpp
index b6846b2ac0032e5038a218a93f7f545187413171..4d5b4a9c15ad6fc646f305adcf9ece3d09ad7d9b 100644
--- a/Source/platform/fonts/SimpleFontData.cpp
+++ b/Source/platform/fonts/SimpleFontData.cpp
@@ -47,7 +47,7 @@ SimpleFontData::SimpleFontData(const FontPlatformData& platformData, PassRefPtr<
     , m_isTextOrientationFallback(isTextOrientationFallback)
     , m_isBrokenIdeographFallback(false)
 #if ENABLE(OPENTYPE_VERTICAL)
-    , m_verticalData(0)
+    , m_verticalData(nullptr)
 #endif
     , m_hasVerticalGlyphs(false)
     , m_customFontData(customData)
@@ -69,7 +69,7 @@ SimpleFontData::SimpleFontData(PassRefPtr<CustomFontData> customData, float font
     , m_isTextOrientationFallback(false)
     , m_isBrokenIdeographFallback(false)
 #if ENABLE(OPENTYPE_VERTICAL)
-    , m_verticalData(0)
+    , m_verticalData(nullptr)
 #endif
     , m_hasVerticalGlyphs(false)
     , m_customFontData(customData)
@@ -176,7 +176,7 @@ PassRefPtr<SimpleFontData> SimpleFontData::verticalRightOrientationFontData() co
     if (!m_derivedFontData->verticalRightOrientation) {
         FontPlatformData verticalRightPlatformData(m_platformData);
         verticalRightPlatformData.setOrientation(Horizontal);
-        m_derivedFontData->verticalRightOrientation = create(verticalRightPlatformData, isCustomFont() ? CustomFontData::create(false): 0, true);
+        m_derivedFontData->verticalRightOrientation = create(verticalRightPlatformData, isCustomFont() ? CustomFontData::create(false): nullptr, true);
     }
     return m_derivedFontData->verticalRightOrientation;
 }
@@ -186,7 +186,7 @@ PassRefPtr<SimpleFontData> SimpleFontData::uprightOrientationFontData() const
     if (!m_derivedFontData)
         m_derivedFontData = DerivedFontData::create(isCustomFont());
     if (!m_derivedFontData->uprightOrientation)
-        m_derivedFontData->uprightOrientation = create(m_platformData, isCustomFont() ? CustomFontData::create(false): 0, true);
+        m_derivedFontData->uprightOrientation = create(m_platformData, isCustomFont() ? CustomFontData::create(false): nullptr, true);
     return m_derivedFontData->uprightOrientation;
 }
 
@@ -215,7 +215,7 @@ PassRefPtr<SimpleFontData> SimpleFontData::brokenIdeographFontData() const
     if (!m_derivedFontData)
         m_derivedFontData = DerivedFontData::create(isCustomFont());
     if (!m_derivedFontData->brokenIdeograph) {
-        m_derivedFontData->brokenIdeograph = create(m_platformData, isCustomFont() ? CustomFontData::create(false): 0);
+        m_derivedFontData->brokenIdeograph = create(m_platformData, isCustomFont() ? CustomFontData::create(false): nullptr);
         m_derivedFontData->brokenIdeograph->m_isBrokenIdeographFallback = true;
     }
     return m_derivedFontData->brokenIdeograph;
@@ -259,7 +259,7 @@ PassRefPtr<SimpleFontData> SimpleFontData::createScaledFontData(const FontDescri
 {
     // FIXME: Support scaled SVG fonts. Given that SVG is scalable in general this should be achievable.
     if (isSVGFont())
-        return 0;
+        return nullptr;
 
     return platformCreateScaledFontData(fontDescription, scaleFactor);
 }