remove memoryinstrumentation

Source/core/platform/network/FormData.h

Index: Source/core/platform/network/FormData.h
diff --git a/Source/core/platform/network/FormData.h b/Source/core/platform/network/FormData.h
index 7e7c6e2463b504f65d70309dc02f1a94076ecb81..0a1dcddcd075a141e169c21aad23f58eaf2f7f13 100644
--- a/Source/core/platform/network/FormData.h
+++ b/Source/core/platform/network/FormData.h
@@ -41,8 +41,6 @@ public:
     explicit FormDataElement(const KURL& blobURL) : m_type(encodedBlob), m_url(blobURL) { }
     FormDataElement(const KURL& url, long long start, long long length, double expectedFileModificationTime) : m_type(encodedURL), m_url(url), m_fileStart(start), m_fileLength(length), m_expectedFileModificationTime(expectedFileModificationTime), m_shouldGenerateFile(false) { }
 
-    void reportMemoryUsage(MemoryObjectInfo*) const;
-
     enum Type {
         data,
         encodedFile
@@ -132,8 +130,6 @@ public:
     bool containsPasswordData() const { return m_containsPasswordData; }
     void setContainsPasswordData(bool containsPasswordData) { m_containsPasswordData = containsPasswordData; }
 
-    void reportMemoryUsage(MemoryObjectInfo*) const;
-
     static EncodingType parseEncodingType(const String& type)
     {
         if (equalIgnoringCase(type, "text/plain"))