Non-Oilpan Memory: Fix HTMLViewSourceDocument and WebLeakDetector.

Source/core/html/HTMLViewSourceDocument.cpp

Index: Source/core/html/HTMLViewSourceDocument.cpp
diff --git a/Source/core/html/HTMLViewSourceDocument.cpp b/Source/core/html/HTMLViewSourceDocument.cpp
index 72e62603522a6369a646d16dbf07104cafebd98d..9cfa17442ef383f8c91f78e34459689d539d6d0a 100644
--- a/Source/core/html/HTMLViewSourceDocument.cpp
+++ b/Source/core/html/HTMLViewSourceDocument.cpp
@@ -309,6 +309,16 @@ void HTMLViewSourceDocument::maybeAddSpanForAnnotation(SourceAnnotation annotati
     }
 }
 
+#if !ENABLE(OILPAN)
+void HTMLViewSourceDocument::dispose()
+{
+    m_current.clear();
+    m_tbody.clear();
+    m_td.clear();
+    HTMLDocument::dispose();
+}
+#endif
+
 DEFINE_TRACE(HTMLViewSourceDocument)
 {
     visitor->trace(m_current);