DevTools: roll CodeMirror to v4.0.3

Source/devtools/front_end/cm/codemirror.css

 /* BASICS */
 
 .CodeMirror {
   /* Set height, width, borders, and global font properties here */
   font-family: monospace;
   height: 300px;
 }
 .CodeMirror-scroll {
   /* Set scrolling behaviour here */
   overflow: auto;
@@ skipping 18 matching lines @@
   border-right: 1px solid #ddd;
   background-color: #f7f7f7;
   white-space: nowrap;
 }
 .CodeMirror-linenumbers {}
 .CodeMirror-linenumber {
   padding: 0 3px 0 5px;
   min-width: 20px;
   text-align: right;
   color: #999;
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
 }
 
 /* CURSOR */
 
 .CodeMirror div.CodeMirror-cursor {
   border-left: 1px solid black;
-  z-index: 3;
 }
 /* Shown when moving in bi-directional text */
 .CodeMirror div.CodeMirror-secondarycursor {
   border-left: 1px solid silver;
 }
 .CodeMirror.cm-keymap-fat-cursor div.CodeMirror-cursor {
   width: auto;
   border: 0;
   background: #7e7;
-  z-index: 1;
 }
 /* Can style cursor different in overwrite (non-insert) mode */
-.CodeMirror div.CodeMirror-cursor.CodeMirror-overwrite {}
+div.CodeMirror-overwrite div.CodeMirror-cursor {}
 
 .cm-tab { display: inline-block; }
 
+.CodeMirror-ruler {
+  border-left: 1px solid #ccc;
+  position: absolute;
+}
+
 /* DEFAULT THEME */
 
 .cm-s-default .cm-keyword {color: #708;}
 .cm-s-default .cm-atom {color: #219;}
 .cm-s-default .cm-number {color: #164;}
 .cm-s-default .cm-def {color: #00f;}
 .cm-s-default .cm-variable {color: black;}
 .cm-s-default .cm-variable-2 {color: #05a;}
 .cm-s-default .cm-variable-3 {color: #085;}
 .cm-s-default .cm-property {color: black;}
@@ skipping 35 matching lines @@
   position: relative;
   overflow: hidden;
   background: white;
   color: black;
 }
 
 .CodeMirror-scroll {
   /* 30px is the magic margin used to hide the element's real scrollbars */
   /* See overflow: hidden in .CodeMirror */
   margin-bottom: -30px; margin-right: -30px;
-  padding-bottom: 30px; padding-right: 30px;
+  padding-bottom: 30px;
   height: 100%;
   outline: none; /* Prevent dragging from highlighting the element */
   position: relative;
   -moz-box-sizing: content-box;
   box-sizing: content-box;
 }
 .CodeMirror-sizer {
   position: relative;
+  border-right: 30px solid transparent;
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
 }
 
 /* The fake, visible scrollbars. Used to force redraw during scrolling
    before actuall scrolling happens, thus preventing shaking and
    flickering artifacts. */
 .CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
   position: absolute;
   z-index: 6;
   display: none;
 }
@@ skipping 54 matching lines @@
   color: inherit;
   z-index: 2;
   position: relative;
   overflow: visible;
 }
 .CodeMirror-wrap pre {
   word-wrap: break-word;
   white-space: pre-wrap;
   word-break: normal;
 }
-.CodeMirror-code pre {
-  border-right: 30px solid transparent;
-  width: -webkit-fit-content;
-  width: -moz-fit-content;
-  width: fit-content;
-}
-.CodeMirror-wrap .CodeMirror-code pre {
-  border-right: none;
-  width: auto;
-}
+
 .CodeMirror-linebackground {
   position: absolute;
   left: 0; right: 0; top: 0; bottom: 0;
   z-index: 0;
 }
 
 .CodeMirror-linewidget {
   position: relative;
   z-index: 2;
   overflow: auto;
 }
 
 .CodeMirror-widget {}
 
 .CodeMirror-wrap .CodeMirror-scroll {
   overflow-x: hidden;
 }
 
 .CodeMirror-measure {
   position: absolute;
   width: 100%;
   height: 0;
   overflow: hidden;
   visibility: hidden;
 }
 .CodeMirror-measure pre { position: static; }
 
 .CodeMirror div.CodeMirror-cursor {
   position: absolute;
-  visibility: hidden;
   border-right: none;
   width: 0;
 }
-.CodeMirror-focused div.CodeMirror-cursor {
+
+div.CodeMirror-cursors {
+  visibility: hidden;
+  position: relative;
+  z-index: 1;
+}
+.CodeMirror-focused div.CodeMirror-cursors {
   visibility: visible;
 }
 
 .CodeMirror-selected { background: #d9d9d9; }
 .CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
 
 .cm-searching {
   background: #ffa;
   background: rgba(255, 255, 0, .4);
 }
 
 /* IE7 hack to prevent it from returning funny offsetTops on the spans */
 .CodeMirror span { *vertical-align: text-bottom; }
 
+/* Used to force a border model for a node */
+.cm-force-border { padding-right: .1px; }
+
 @media print {
   /* Hide the cursor when printing */
-  .CodeMirror div.CodeMirror-cursor {
+  .CodeMirror div.CodeMirror-cursors {
     visibility: hidden;
   }
 }