Remove StringImpl::reallocate

third_party/WebKit/Source/wtf/text/StringBuilder.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 149 matching lines @@
 template <>
 void StringBuilder::reallocateBuffer<LChar>(unsigned requiredLength)
 {
     // If the buffer has only one ref (by this StringBuilder), reallocate it,
     // otherwise fall back to "allocate and copy" method.
     m_string = String();
 
     ASSERT(m_is8Bit);
     ASSERT(m_buffer->is8Bit());
 
-    if (m_buffer->hasOneRef()) {
-        m_buffer = StringImpl::reallocate(m_buffer.release(), requiredLength);
-        m_bufferCharacters8 = const_cast<LChar*>(m_buffer->characters8());
-    } else {
-        allocateBuffer(m_buffer->characters8(), requiredLength);
-    }
+    allocateBuffer(m_buffer->characters8(), requiredLength);
 }
 
 template <>
 void StringBuilder::reallocateBuffer<UChar>(unsigned requiredLength)
 {
     // If the buffer has only one ref (by this StringBuilder), reallocate it,
     // otherwise fall back to "allocate and copy" method.
     m_string = String();
 
-    if (m_buffer->is8Bit()) {
+    if (m_buffer->is8Bit())
         allocateBufferUpConvert(m_buffer->characters8(), requiredLength);
-    } else if (m_buffer->hasOneRef()) {
-        m_buffer = StringImpl::reallocate(m_buffer.release(), requiredLength);
-        m_bufferCharacters16 = const_cast<UChar*>(m_buffer->characters16());
-    } else {
+    else
         allocateBuffer(m_buffer->characters16(), requiredLength);
-    }
 }
 
 void StringBuilder::reserveCapacity(unsigned newCapacity)
 {
     if (m_buffer) {
         // If there is already a buffer, then grow if necessary.
         if (newCapacity > m_buffer->length()) {
             if (m_buffer->is8Bit())
                 reallocateBuffer<LChar>(newCapacity);
             else
@@ skipping 188 matching lines @@
     if (!canShrink())
         return;
     if (m_is8Bit)
         reallocateBuffer<LChar>(m_length);
     else
         reallocateBuffer<UChar>(m_length);
     m_string = m_buffer.release();
 }
 
 } // namespace WTF