DevTools: render continue-to-location decoration as an arrow.

third_party/WebKit/Source/devtools/front_end/text_editor/cmdevtools.css

 .CodeMirror {
     line-height: 1.2em !important;
     background-color: transparent !important;
     color: #222;
 }
 
 .CodeMirror-linewidget {
     overflow: visible !important;
 }
 
@@ skipping 144 matching lines @@
 .cm-inline-breakpoint.cm-inline-conditional {
     background-color: #ef9d0d;
 }
 
 .cm-inline-breakpoint.cm-inline-disabled {
     opacity: 0.5;
 }
 
 .cm-continue-to-location {
     cursor: pointer;
-    transform: scale(0.7);
+    opacity: 0.5;
+    position: relative;
+    top: 2px;
+}
+
+.cm-continue-to-location:hover {
+    opacity: 1;
 }
 
 div.CodeMirror span.CodeMirror-matchingbracket {
     background-color: rgba(0, 0, 0, 0.07);
     border-bottom: 1px solid rgba(0, 0, 0, 0.5);
     color: unset;
 }
 
 div.CodeMirror span.CodeMirror-nonmatchingbracket {
     background-color: rgba(255, 0, 0, 0.07);
@@ skipping 247 matching lines @@
 
 .CodeMirror .auto-complete-text {
     color: rgb(128,128,128);
 }
 
 /** Prevent the codemirror textarea from stealing PageUp events **/
 .CodeMirror textarea {
     resize: none;
     overflow: hidden;
 }