DevTools: remove dead code, disambiguate expand for sections.

third_party/WebKit/Source/devtools/front_end/ui/section.css

Index: third_party/WebKit/Source/devtools/front_end/ui/section.css
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/section.css b/third_party/WebKit/Source/devtools/front_end/ui/section.css
deleted file mode 100644
index 8fdcbe03e463bb488274102d4e2dd6e3f988c044..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/devtools/front_end/ui/section.css
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (c) 2014 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-.section {
-    position: relative;
-    margin-top: 1px;
-}
-
-.section > .header {
-    padding: 0 8px 0 5px;
-    min-height: 18px;
-    white-space: nowrap;
-    background-origin: padding-box;
-    background-clip: padding-box;
-}
-
-.section > .header::before {
-    -webkit-user-select: none;
-    background-image: url(Images/toolbarButtonGlyphs.png);
-    background-size: 352px 168px;
-    opacity: 0.5;
-    content: "a";
-    color: transparent;
-    text-shadow: none;
-    float: left;
-    width: 8px;
-    margin-right: 4px;
-    margin-top: 2px;
-}
-
-@media (-webkit-min-device-pixel-ratio: 1.5) {
-.section > .header::before {
-    background-image: url(Images/toolbarButtonGlyphs_2x.png);
-}
-} /* media */
-
-.section > .header::before {
-    background-position: -4px -96px;
-}
-
-.section.expanded > .header::before {
-    background-position: -20px -96px;
-}
-
-.section > .header .title {
-    font-weight: normal;
-    word-wrap: break-word;
-    white-space: normal;
-    line-height: 18px;
-}
-
-.section > .header label {
-    display: none;
-}
-
-.section.expanded .header label {
-    display: inline;
-}
-
-.section > .header .subtitle {
-    float: right;
-    margin-left: 5px;
-    max-width: 55%;
-    text-overflow: ellipsis;
-    overflow: hidden;
-}
-
-.section > .header .subtitle a {
-    color: inherit;
-}
-
-.section > .properties {
-    display: none;
-}
-
-.section.expanded > .properties {
-    display: block;
-}