[oilpan] Move CSSSegmentedFontFace to the managed heap

Source/core/css/CSSSegmentedFontFace.cpp

Index: Source/core/css/CSSSegmentedFontFace.cpp
diff --git a/Source/core/css/CSSSegmentedFontFace.cpp b/Source/core/css/CSSSegmentedFontFace.cpp
index 420368a25a25c494eb59d8f062b729abbc51ba01..3cc8fa56b3bf03986b80d1be9c3f5ae5d89c47e6 100644
--- a/Source/core/css/CSSSegmentedFontFace.cpp
+++ b/Source/core/css/CSSSegmentedFontFace.cpp
@@ -37,6 +37,8 @@
 
 namespace WebCore {
 
+DEFINE_GC_TYPE_MARKER(CSSSegmentedFontFace);
+
 CSSSegmentedFontFace::CSSSegmentedFontFace(CSSFontSelector* fontSelector)
     : m_fontSelector(fontSelector)
 {
@@ -44,10 +46,17 @@ CSSSegmentedFontFace::CSSSegmentedFontFace(CSSFontSelector* fontSelector)
 
 CSSSegmentedFontFace::~CSSSegmentedFontFace()
 {
+    dispose();
+}
+
+void CSSSegmentedFontFace::dispose()
+{
     pruneTable();
     unsigned size = m_fontFaces.size();
     for (unsigned i = 0; i < size; i++)
-        m_fontFaces[i]->removedFromSegmentedFontFace(this);
+        m_fontFaces[i]->removedFromSegmentedFontFace(Handle<CSSSegmentedFontFace>(this));
+    m_fontFaces.clear();
+    m_fontSelector = 0;
 }
 
 void CSSSegmentedFontFace::pruneTable()
@@ -79,9 +88,9 @@ void CSSSegmentedFontFace::fontLoaded(CSSFontFace*)
         m_callbacks.swap(callbacks);
         for (size_t index = 0; index < callbacks.size(); ++index) {
             if (checkFont())
-                callbacks[index]->notifyLoaded(this);
+                callbacks[index]->notifyLoaded(Handle<CSSSegmentedFontFace>(this));
             else
-                callbacks[index]->notifyError(this);
+                callbacks[index]->notifyError(Handle<CSSSegmentedFontFace>(this));
         }
     }
 }
@@ -89,7 +98,7 @@ void CSSSegmentedFontFace::fontLoaded(CSSFontFace*)
 void CSSSegmentedFontFace::appendFontFace(PassRefPtr<CSSFontFace> fontFace)
 {
     pruneTable();
-    fontFace->addedToSegmentedFontFace(this);
+    fontFace->addedToSegmentedFontFace(Handle<CSSSegmentedFontFace>(this));
     m_fontFaces.append(fontFace);
 }
 
@@ -175,9 +184,9 @@ void CSSSegmentedFontFace::loadFont(const FontDescription& fontDescription, Pass
         if (isLoading())
             m_callbacks.append(callback);
         else if (checkFont())
-            callback->notifyLoaded(this);
+            callback->notifyLoaded(Handle<CSSSegmentedFontFace>(this));
         else
-            callback->notifyError(this);
+            callback->notifyError(Handle<CSSSegmentedFontFace>(this));
     }
 }