Don't resolve extended color keywords during parsing

Source/web/tests/WebViewTest.cpp

Index: Source/web/tests/WebViewTest.cpp
diff --git a/Source/web/tests/WebViewTest.cpp b/Source/web/tests/WebViewTest.cpp
index b814580bb16867ed84393150151c9af2645b5c22..57f1518362aead8102f356cf26af1845aa0e1af0 100644
--- a/Source/web/tests/WebViewTest.cpp
+++ b/Source/web/tests/WebViewTest.cpp
@@ -1988,14 +1988,14 @@ TEST_F(WebViewTest, SmartClipData)
     static const char* kExpectedClipText = "\nPrice 10,000,000won";
     static const char* kExpectedClipHtml =
         "<div id=\"div4\" style=\"padding: 10px; margin: 10px; border: 2px "
-        "solid rgb(135, 206, 235); float: left; width: 190px; height: 30px; "
+        "solid skyblue; float: left; width: 190px; height: 30px; "
         "color: rgb(0, 0, 0); font-family: myahem; font-size: 8px; font-style: "
         "normal; font-variant: normal; font-weight: normal; letter-spacing: "
         "normal; line-height: normal; orphans: auto; text-align: start; "
         "text-indent: 0px; text-transform: none; white-space: normal; widows: "
         "1; word-spacing: 0px; -webkit-text-stroke-width: 0px;\">Air "
         "conditioner</div><div id=\"div5\" style=\"padding: 10px; margin: "
-        "10px; border: 2px solid rgb(135, 206, 235); float: left; width: "
+        "10px; border: 2px solid skyblue; float: left; width: "
         "190px; height: 30px; color: rgb(0, 0, 0); font-family: myahem; "
         "font-size: 8px; font-style: normal; font-variant: normal; "
         "font-weight: normal; letter-spacing: normal; line-height: normal; "
@@ -2021,14 +2021,14 @@ TEST_F(WebViewTest, SmartClipDataWithPinchZoom)
     static const char* kExpectedClipText = "\nPrice 10,000,000won";
     static const char* kExpectedClipHtml =
         "<div id=\"div4\" style=\"padding: 10px; margin: 10px; border: 2px "
-        "solid rgb(135, 206, 235); float: left; width: 190px; height: 30px; "
+        "solid skyblue; float: left; width: 190px; height: 30px; "
         "color: rgb(0, 0, 0); font-family: myahem; font-size: 8px; font-style: "
         "normal; font-variant: normal; font-weight: normal; letter-spacing: "
         "normal; line-height: normal; orphans: auto; text-align: start; "
         "text-indent: 0px; text-transform: none; white-space: normal; widows: "
         "1; word-spacing: 0px; -webkit-text-stroke-width: 0px;\">Air "
         "conditioner</div><div id=\"div5\" style=\"padding: 10px; margin: "
-        "10px; border: 2px solid rgb(135, 206, 235); float: left; width: "
+        "10px; border: 2px solid skyblue; float: left; width: "
         "190px; height: 30px; color: rgb(0, 0, 0); font-family: myahem; "
         "font-size: 8px; font-style: normal; font-variant: normal; "
         "font-weight: normal; letter-spacing: normal; line-height: normal; "