DevTools: move filter bar into the style toolbar

Source/devtools/front_end/elements/elementsPanel.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 147 matching lines @@
     display: inline-block;
 }
 
 .styles-section {
     padding: 2px 2px 4px 4px;
     min-height: 18px;
     white-space: nowrap;
     background-origin: padding;
     background-clip: padding;
     -webkit-user-select: text;
-    border-bottom: 1px solid #ccc;
+    border-bottom: 1px solid #eee;
     position: relative;
 }
 
 .styles-section:last-child {
     border-bottom: none;
 }
 
 .styles-pane .sidebar-separator {
     border-top: 0 none;
 }
@@ skipping 264 matching lines @@
     animation-direction: normal;
 }
 
 .styles-sidebar-toolbar-pane-container {
     position: relative;
     max-height: 60px;
     overflow: hidden;
 }
 
 .styles-element-state-pane {
-    background-color: #eee;
+    background-color: #f3f3f3;
     border-bottom: 1px solid rgb(189, 189, 189);
     margin-top: 0;
 }
 
 
 .styles-element-state-pane > div {
     margin: 6px 4px 2px;
 }
 
 .styles-element-state-pane > table {
@@ skipping 82 matching lines @@
     position: relative;
 }
 
 .sidebar-pane .style-panes-wrapper {
     transform: translateZ(0);
     flex: 1;
     overflow-y: auto;
     position: relative;
 }
 
-.sidebar-pane-filter-box {
-    display: flex;
-    border-top: 1px solid rgb(191, 191, 191);
-    flex-basis: 19px;
-    flex-shrink: 0;
+.styles-sidebar-pane-toolbar {
+    border-bottom: 1px solid #eee;
 }
 
-.sidebar-pane-filter-box > input {
+.styles-sidebar-pane-filter-box {
+    flex: auto;
+    display: flex;
+}
+
+.styles-sidebar-pane-filter-box > input {
     outline: none !important;
     border: none;
     width: 100%;
-    margin: 0 4px;
     background: transparent;
+    margin-left: 4px;
 }
 
 .styles-filter-engaged {
     background-color: rgba(255, 255, 0, 0.5);
 }
 
 .sidebar-pane.composite .platform-fonts {
-    padding: 1ex;
     -webkit-user-select: text;
 }
 
 .sidebar-pane.composite .platform-fonts .sidebar-separator {
-    border-top: none;
+    height: 24px;
+    background-color: #f1f1f1;
+    border-color: #ddd;
+    display: flex;
+    align-items: center;
 }
 
 .sidebar-pane.composite .platform-fonts .stats-section {
-    margin-bottom: 5px;
+    margin: 5px 0;
 }
 
 .sidebar-pane.composite .platform-fonts .font-stats-item {
     padding-left: 1em;
 }
 
 .sidebar-pane.composite .platform-fonts .font-stats-item .delimeter {
     margin: 0 1ex 0 1ex;
 }
 
@@ skipping 103 matching lines @@
 
 .global-animations-toolbar {
     position: absolute;
     top: 0;
     width: 100%;
     background-color: #eee;
     border-bottom: 1px solid rgb(163, 163, 163);
     padding-left: 10px;
 }
 
-label.checkbox-with-label {
-    -webkit-user-select: none;
-}
-
 .events-pane .section:not(:first-of-type) {
     border-top: 1px solid rgb(231, 231, 231);
 }
 
 .events-pane .section {
     margin: 0;
 }
 
 .style-properties li.editing {
     margin-left: 10px;
     text-overflow: clip;
 }
 
 .style-properties li.editing-sub-part {
     padding: 3px 6px 8px 18px;
     margin: -1px -6px -8px -6px;
     text-overflow: clip;
 }
 
 .properties-widget-section {
     padding: 2px 0px 2px 5px;
 }