DevTools: improve the color picker palette sorting algorithm.

Source/devtools/front_end/elements/spectrum.css

Index: Source/devtools/front_end/elements/spectrum.css
diff --git a/Source/devtools/front_end/elements/spectrum.css b/Source/devtools/front_end/elements/spectrum.css
index 67c89eb247a265a5bbf08a77ee6b6f210cf89b10..6d5b965762dc85838170814472d53b46fc344dc9 100644
--- a/Source/devtools/front_end/elements/spectrum.css
+++ b/Source/devtools/front_end/elements/spectrum.css
@@ -202,6 +202,7 @@
     border-radius: 2px;
     margin-left: 12px;
     margin-top: 12px;
+    cursor: pointer;

[dgozman, 2015/08/19 20:27:45]

Please make sure you don't add inconsistency between color cursor and add button
cursor.

[pfeldman, 2015/08/19 20:29:03]

which add button?

 }
 
 .spectrum-palette-color.empty-color {
@@ -268,6 +269,7 @@
 
 div.palette-preview {
     display: flex;
+    cursor: pointer;
 }
 
 .palette-preview-title {
@@ -276,7 +278,6 @@ div.palette-preview {
 
 .palette-preview > .spectrum-palette-color {
     margin-top: 1px;
-    cursor: default;
 }
 
 .palette-preview:hover {