Remove StringImpl::reallocate

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

Index: third_party/WebKit/Source/wtf/text/StringBuilder.cpp
diff --git a/third_party/WebKit/Source/wtf/text/StringBuilder.cpp b/third_party/WebKit/Source/wtf/text/StringBuilder.cpp
index 5b075f0a4403efe387f41999ab818ef4145c712d..f3a40bc3a4034c8a84f6452ff521bac0326ac028 100644
--- a/third_party/WebKit/Source/wtf/text/StringBuilder.cpp
+++ b/third_party/WebKit/Source/wtf/text/StringBuilder.cpp
@@ -167,12 +167,7 @@ void StringBuilder::reallocateBuffer<LChar>(unsigned requiredLength)
     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 <>
@@ -182,14 +177,10 @@ void StringBuilder::reallocateBuffer<UChar>(unsigned requiredLength)
     // 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)