Removing a bunch of unused platform code.

Source/WTF/wtf/text/StringImpl.cpp

Index: Source/WTF/wtf/text/StringImpl.cpp
diff --git a/Source/WTF/wtf/text/StringImpl.cpp b/Source/WTF/wtf/text/StringImpl.cpp
index b59e62d9f83bb3e84ae9096733ac94c6c362e841..28fcee793aa62f6b093b9f0b9431b18e5c1fdf3c 100644
--- a/Source/WTF/wtf/text/StringImpl.cpp
+++ b/Source/WTF/wtf/text/StringImpl.cpp
@@ -137,14 +137,6 @@ StringImpl::~StringImpl()
         fastFree(const_cast<LChar*>(m_data8));
         return;
     }
-#if PLATFORM(QT)
-    if (ownership == BufferAdoptedQString) {
-        if (!m_qStringData->ref.deref())
-            QStringData::deallocate(m_qStringData);
-        return;
-    }
-#endif
-
     ASSERT(ownership == BufferSubstring);
     ASSERT(m_substringBuffer);
     m_substringBuffer->deref();
@@ -1903,18 +1895,6 @@ PassRefPtr<StringImpl> StringImpl::adopt(StringBuffer<UChar>& buffer)
     return adoptRef(new StringImpl(buffer.release(), length));
 }
 
-#if PLATFORM(QT)
-PassRefPtr<StringImpl> StringImpl::adopt(QStringData* qStringData)
-{
-    ASSERT(qStringData);
-
-    if (!qStringData->size)
-        return empty();
-
-    return adoptRef(new StringImpl(qStringData, ConstructAdoptedQString));
-}
-#endif
-
 PassRefPtr<StringImpl> StringImpl::createWithTerminatingNullCharacter(const StringImpl& string)
 {
     // Use createUninitialized instead of 'new StringImpl' so that the string and its buffer