[DevTools] Add minimum size to WebInspector.View.

Source/devtools/front_end/inspector.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 2766 matching lines @@
     border-width: 0 0 11px 0;
 }
 
 .console-context {
     max-width: 200px;
 }
 
 .root-view {
     overflow: hidden;
     position: absolute !important;
+    left: 0;
+    top: 0;
 }
 
 .search-bar {
     flex: 0 0 23px;
     background-color: rgb(236, 236, 236);
 }
 
 .search-bar.replaceable {
     flex: 0 0 44px;
 }
@@ skipping 49 matching lines @@
 }
 
 .root-view > .split-view > .split-view-sidebar {
     position: relative;
 }
 
 select.drop-down-menu {
     border: none;
     -webkit-appearance: none;
 }