Add support for datalist to input type color

apps/shell_window.h

Index: apps/shell_window.h
diff --git a/apps/shell_window.h b/apps/shell_window.h
index 53dd2b3f34d0a00e55c23fed57383b223702ee94..1c8883a867be72587ad0db0f8fab2d4e521b2cd6 100644
--- a/apps/shell_window.h
+++ b/apps/shell_window.h
@@ -262,7 +262,10 @@ class ShellWindow : public content::NotificationObserver,
   virtual void CloseContents(content::WebContents* contents) OVERRIDE;
   virtual bool ShouldSuppressDialogs() OVERRIDE;
   virtual content::ColorChooser* OpenColorChooser(
-      content::WebContents* web_contents, SkColor color) OVERRIDE;
+      content::WebContents* web_contents,
+      SkColor color,
+      const std::vector<SkColor>& suggestions,
+      const std::vector<string16>& suggestion_labels) OVERRIDE;
   virtual void RunFileChooser(
       content::WebContents* tab,
       const content::FileChooserParams& params) OVERRIDE;