remove memoryinstrumentation

Source/core/rendering/RenderText.cpp

Index: Source/core/rendering/RenderText.cpp
diff --git a/Source/core/rendering/RenderText.cpp b/Source/core/rendering/RenderText.cpp
index 313c8d5230219e80d43f03fb4446fdf8ca12214b..04f3ef4f427c4dd83e2f9051ba0e90388290128a 100644
--- a/Source/core/rendering/RenderText.cpp
+++ b/Source/core/rendering/RenderText.cpp
@@ -43,7 +43,6 @@
 #include "TextBreakIterator.h"
 #include "TextResourceDecoder.h"
 #include "VisiblePosition.h"
-#include "WebCoreMemoryInstrumentation.h"
 #include "break_lines.h"
 #include <wtf/text/StringBuffer.h>
 #include <wtf/unicode/CharacterNames.h>
@@ -1923,13 +1922,4 @@ void RenderText::momentarilyRevealLastTypedCharacter(unsigned lastTypedCharacter
     secureTextTimer->restartWithNewText(lastTypedCharacterOffset);
 }
 
-void RenderText::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
-{
-    MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::Rendering);
-    RenderObject::reportMemoryUsage(memoryObjectInfo);
-    info.addMember(m_text, "text");
-    info.addMember(m_firstTextBox, "firstTextBox");
-    info.addMember(m_lastTextBox, "lastTextBox");
-}
-
 } // namespace WebCore