CSS Custom Properties (Variables)

Source/core/css/parser/CSSTokenizer.cpp

Index: Source/core/css/parser/CSSTokenizer.cpp
diff --git a/Source/core/css/parser/CSSTokenizer.cpp b/Source/core/css/parser/CSSTokenizer.cpp
index fcf22b22f426c1a8447cd2fea8cb62b6ef93091e..ec99274e8586e1c01b88a6fecc3dc34c2272d66e 100644
--- a/Source/core/css/parser/CSSTokenizer.cpp
+++ b/Source/core/css/parser/CSSTokenizer.cpp
@@ -18,7 +18,7 @@ namespace blink {
 namespace blink {
 
 CSSTokenizer::Scope::Scope(const String& string)
-: m_string(string)
+    : m_string(string)
 {
     // According to the spec, we should perform preprocessing here.
     // See: http://dev.w3.org/csswg/css-syntax/#input-preprocessing
@@ -48,7 +48,7 @@ CSSTokenizer::Scope::Scope(const String& string)
 }
 
 CSSTokenizer::Scope::Scope(const String& string, CSSParserObserverWrapper& wrapper)
-: m_string(string)
+    : m_string(string)
 {
     if (string.isEmpty())
         return;
@@ -635,11 +635,15 @@ void CSSTokenizer::consumeBadUrlRemnants()
     }
 }
 
-void CSSTokenizer::consumeUntilNonWhitespace()
+unsigned CSSTokenizer::consumeUntilNonWhitespace()
 {
+    unsigned count = 0;
     // Using HTML space here rather than CSS space since we don't do preprocessing
-    while (isHTMLSpace<UChar>(m_input.nextInputChar()))
+    while (isHTMLSpace<UChar>(m_input.nextInputChar())) {
+        ++count;
         consume();
+    }
+    return count;
 }
 
 void CSSTokenizer::consumeSingleWhitespaceIfNext()
@@ -708,6 +712,11 @@ CSSParserString CSSTokenizer::consumeName()
     }
 }
 
+CSSParserString CSSTokenizer::lastConsumedCharacter()
+{
+    return m_input.rangeAsCSSParserString(m_input.offset() - 1, 1);
+}
+
 // http://dev.w3.org/csswg/css-syntax/#consume-an-escaped-code-point
 UChar32 CSSTokenizer::consumeEscape()
 {