[DevTools] Remove a bunch of styles from inspectorStyle.css.

third_party/WebKit/Source/devtools/front_end/sources/sourcesPanel.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 56 matching lines @@
     float: right;
     margin-left: 10px;
 }
 
 .function-location-step-into {
     position: relative;
     height: 14px;
     transform: rotate(-90deg);
 }
 
+.object-popover-container {
+    display: inline-block;
+}
+
 .function-popover-title {
     border-bottom: 1px solid #AAA;
     margin-bottom: 3px;
     padding-bottom: 2px;
     display: flex;
     justify-content: space-between;
     align-items: center;
 }
 
 .function-title-link-container {
@@ skipping 87 matching lines @@
 }
 
 .watch-expressions .name {
     color: rgb(136, 19, 145);
     flex: none;
     white-space: nowrap;
     text-overflow: ellipsis ;
     overflow: hidden;
 }
 
+.watch-expression-error {
+    color: red;
+}
+
+.-theme-with-dark-background .watch-expression-error {
+    color: hsl(0, 100%, 65%);
+}
+
 .watch-expressions-separator {
     flex: none;
 }
 
 .watch-expressions .value {
     white-space: nowrap;
     display: inline;
 }
 
 .watch-expression .text-prompt {
@@ skipping 67 matching lines @@
     text-align: center;
     font-style: italic;
     padding: 4px;
     color: #888;
     background-color: #FFFFC2;
 }
 
 .event-listeners-sidebar-pane .toolbar {
     border-bottom: 1px solid #eee;
 }