Prepare for color input datalist support on Android

Source/core/html/ColorInputType.cpp

Index: Source/core/html/ColorInputType.cpp
diff --git a/Source/core/html/ColorInputType.cpp b/Source/core/html/ColorInputType.cpp
index 6c2c716f3464a467a4505c56071b1901bda1d342..50f3db031a2a3bbfedc89efaf25c93baf3593f4d 100644
--- a/Source/core/html/ColorInputType.cpp
+++ b/Source/core/html/ColorInputType.cpp
@@ -52,6 +52,9 @@ namespace WebCore {
 
 using namespace HTMLNames;
 
+// Upper limit of number of datalist suggestions shown.
+static const unsigned maxSuggestions = 10000;
+
 static bool isValidColorString(const String& value)
 {
     if (value.isEmpty())
@@ -224,9 +227,9 @@ bool ColorInputType::shouldShowSuggestions() const
     return false;
 }
 
-Vector<Color> ColorInputType::suggestions() const
+Vector<ColorSuggestion> ColorInputType::suggestions() const
 {
-    Vector<Color> suggestions;
+    Vector<ColorSuggestion> suggestions;
     if (RuntimeEnabledFeatures::dataListElementEnabled()) {
         HTMLDataListElement* dataList = element()->dataList();
         if (dataList) {
@@ -237,7 +240,10 @@ Vector<Color> ColorInputType::suggestions() const
                 StyleColor color(option->value());
                 if (!color.isValid())
                     continue;
-                suggestions.append(color.color());
+                ColorSuggestion suggestion(color.color(), color.color().serialized(), option->label());
+                suggestions.append(suggestion);
+                if (suggestions.size() >= maxSuggestions)
+                    break;
             }
         }
     }