On Linux, move the passing of filedescriptors to a dedicated socketpair().

chrome/tools/test/reference_build/chrome_linux/resources/inspector/TextPrompt.js

 /*
  * Copyright (C) 2008 Apple Inc.  All rights reserved.
  *
  * 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 48 matching lines @@
             case "Up":
                 this._upKeyPressed(event);
                 break;
             case "Down":
                 this._downKeyPressed(event);
                 break;
             case "U+0009": // Tab
                 this._tabKeyPressed(event);
                 break;
             case "Right":
+            case "End":
                 if (!this.acceptAutoComplete())
                     this.autoCompleteSoon();
                 break;
             default:
                 this.clearAutoComplete();
                 this.autoCompleteSoon();
                 break;
         }
     },
 
@@ skipping 54 matching lines @@
 
     autoCompleteSoon: function()
     {
         if (!("_completeTimeout" in this))
             this._completeTimeout = setTimeout(this.complete.bind(this, true), 250);
     },
 
     complete: function(auto)
     {
         this.clearAutoComplete(true);
-
         var selection = window.getSelection();
         if (!selection.rangeCount)
             return;
 
         var selectionRange = selection.getRangeAt(0);
         if (!selectionRange.commonAncestorContainer.isDescendant(this.element))
             return;
         if (auto && !this.isCaretAtEndOfPrompt())
             return;
+        var wordPrefixRange = selectionRange.startContainer.rangeOfWord(selectionRange.startOffset, this.completionStopCharacters, this.element, "backward");
+        this.completions(wordPrefixRange, auto, this._completionsReady.bind(this, selection, auto, wordPrefixRange));
+    },
 
-        var wordPrefixRange = selectionRange.startContainer.rangeOfWord(selectionRange.startOffset, this.completionStopCharacters, this.element, "backward");
-        var completions = this.completions(wordPrefixRange, auto);
-
+    _completionsReady: function(selection, auto, originalWordPrefixRange, completions)
+    {
         if (!completions || !completions.length)
             return;
 
+        var selectionRange = selection.getRangeAt(0);
+
         var fullWordRange = document.createRange();
-        fullWordRange.setStart(wordPrefixRange.startContainer, wordPrefixRange.startOffset);
+        fullWordRange.setStart(originalWordPrefixRange.startContainer, originalWordPrefixRange.startOffset);
         fullWordRange.setEnd(selectionRange.endContainer, selectionRange.endOffset);
 
+        if (originalWordPrefixRange.toString() + selectionRange.toString() != fullWordRange.toString())
+            return;
+
         if (completions.length === 1 || selection.isCollapsed || auto) {
             var completionText = completions[0];
         } else {
             var currentText = fullWordRange.toString();
 
             var foundIndex = null;
             for (var i = 0; i < completions.length; ++i) {
                 if (completions[i] === currentText)
                     foundIndex = i;
             }
 
             if (foundIndex === null || (foundIndex + 1) >= completions.length)
                 var completionText = completions[0];
             else
                 var completionText = completions[foundIndex + 1];
         }
 
-        var wordPrefixLength = wordPrefixRange.toString().length;
+        var wordPrefixLength = originalWordPrefixRange.toString().length;
 
         this._userEnteredRange = fullWordRange;
         this._userEnteredText = fullWordRange.toString();
 
         fullWordRange.deleteContents();
 
         var finalSelectionRange = document.createRange();
 
         if (auto) {
             var prefixText = completionText.substring(0, wordPrefixLength);
@@ skipping 111 matching lines @@
 
         if (this.historyOffset == 0) {
             this.text = this.tempSavedCommand;
             delete this.tempSavedCommand;
             return;
         }
 
         this.text = this.history[this.history.length - this.historyOffset];
     }
 }