NOT FOR LANDING: Hack up CSSParser for speed.

third_party/WebKit/Source/core/css/parser/CSSTokenizerInputStream.cpp

Index: third_party/WebKit/Source/core/css/parser/CSSTokenizerInputStream.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSTokenizerInputStream.cpp b/third_party/WebKit/Source/core/css/parser/CSSTokenizerInputStream.cpp
index e0768dfc026ed543f6046d4da5487a2a260a3c23..808d45f53fe6c9f2c25b169700b77fb630729e3e 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSTokenizerInputStream.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSTokenizerInputStream.cpp
@@ -9,30 +9,9 @@
 
 namespace blink {
 
-CSSTokenizerInputStream::CSSTokenizerInputStream(String input)
-    : m_offset(0)
-    , m_stringLength(input.length())
-    , m_string(input.impl())
+double CSSTokenizerInputStream::getDouble(unsigned start, unsigned end) const
 {
-}
-
-UChar CSSTokenizerInputStream::peek(unsigned lookaheadOffset)
-{
-    if ((m_offset + lookaheadOffset) >= m_stringLength)
-        return kEndOfFileMarker;
-    UChar result = (*m_string)[m_offset + lookaheadOffset];
-    return result ? result : 0xFFFD;
-}
-
-void CSSTokenizerInputStream::pushBack(UChar cc)
-{
-    --m_offset;
-    ASSERT(nextInputChar() == cc);
-}
-
-double CSSTokenizerInputStream::getDouble(unsigned start, unsigned end)
-{
-    ASSERT(start <= end && ((m_offset + end) <= m_stringLength));
+    ASSERT(start <= end && ((m_offset + end) <= length()));
     bool isResultOK = false;
     double result = 0.0;
     if (start < end) {
@@ -47,7 +26,7 @@ double CSSTokenizerInputStream::getDouble(unsigned start, unsigned end)
 
 CSSParserString CSSTokenizerInputStream::rangeAsCSSParserString(unsigned start, unsigned length) const
 {
-    ASSERT(start + length <= m_stringLength);
+    ASSERT(start + length <= length());
     CSSParserString result;
     if (m_string->is8Bit())
         result.init(m_string->characters8() + start, length);