Split out CSSParser public API

Source/core/html/canvas/CanvasStyle.cpp

Index: Source/core/html/canvas/CanvasStyle.cpp
diff --git a/Source/core/html/canvas/CanvasStyle.cpp b/Source/core/html/canvas/CanvasStyle.cpp
index d7229866347b074b2821dd5af7fbe248cd5c9d33..2ff49c9af30dd51a9b53b48caafbc1e643dacb8f 100644
--- a/Source/core/html/canvas/CanvasStyle.cpp
+++ b/Source/core/html/canvas/CanvasStyle.cpp
@@ -30,7 +30,7 @@
 #include "core/html/canvas/CanvasStyle.h"
 
 #include "CSSPropertyNames.h"
-#include "core/css/parser/BisonCSSParser.h"
+#include "core/css/parser/CSSParser.h"
 #include "core/css/StylePropertySet.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/canvas/CanvasGradient.h"
@@ -46,9 +46,9 @@ static ColorParseResult parseColor(RGBA32& parsedColor, const String& colorStrin
 {
     if (equalIgnoringCase(colorString, "currentcolor"))
         return ParsedCurrentColor;
-    if (BisonCSSParser::parseColor(parsedColor, colorString))
+    if (CSSParser::parseColor(parsedColor, colorString))
         return ParsedRGBA;
-    if (BisonCSSParser::parseSystemColor(parsedColor, colorString, document))
+    if (CSSParser::parseSystemColor(parsedColor, colorString, document))
         return ParsedSystemColor;
     return ParseFailed;
 }
@@ -58,7 +58,7 @@ RGBA32 currentColor(HTMLCanvasElement* canvas)
     if (!canvas || !canvas->inDocument() || !canvas->inlineStyle())
         return Color::black;
     RGBA32 rgba = Color::black;
-    BisonCSSParser::parseColor(rgba, canvas->inlineStyle()->getPropertyValue(CSSPropertyColor));
+    CSSParser::parseColor(rgba, canvas->inlineStyle()->getPropertyValue(CSSPropertyColor));
     return rgba;
 }