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

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

Index: chrome/tools/test/reference_build/chrome_linux/resources/inspector/Breakpoint.js
diff --git a/chrome/tools/test/reference_build/chrome_linux/resources/inspector/Breakpoint.js b/chrome/tools/test/reference_build/chrome_linux/resources/inspector/Breakpoint.js
index 8611cf5e27dcc6443fa5cfa6a2a0ca5757beb93b..347df6084f127114665561b245e78ce78eb181c3 100644
--- a/chrome/tools/test/reference_build/chrome_linux/resources/inspector/Breakpoint.js
+++ b/chrome/tools/test/reference_build/chrome_linux/resources/inspector/Breakpoint.js
@@ -29,6 +29,7 @@ WebInspector.Breakpoint = function(url, line, sourceID)
     this.line = line;
     this.sourceID = sourceID;
     this._enabled = true;
+    this._sourceText = "";
 }
 
 WebInspector.Breakpoint.prototype = {
@@ -48,6 +49,28 @@ WebInspector.Breakpoint.prototype = {
             this.dispatchEventToListeners("enabled");
         else
             this.dispatchEventToListeners("disabled");
+    },
+
+    get sourceText()
+    {
+        return this._sourceText;
+    },
+
+    set sourceText(text)
+    {
+        this._sourceText = text;
+        this.dispatchEventToListeners("text-changed");
+    },
+
+    get label()
+    {
+        var displayName = (this.url ? WebInspector.displayNameForURL(this.url) : WebInspector.UIString("(program)"));
+        return displayName + ":" + this.line;
+    },
+
+    get id()
+    {
+        return this.sourceID + ":" + this.line;
     }
 }