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

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

Index: chrome/tools/test/reference_build/chrome_linux/resources/inspector/SourceView.js
diff --git a/chrome/tools/test/reference_build/chrome_linux/resources/inspector/SourceView.js b/chrome/tools/test/reference_build/chrome_linux/resources/inspector/SourceView.js
index ce90dc818945af11856ec3947e48bf7ce2675b55..97a5bd5d2c8b2516529f3cbe296fdeeaa9582233 100644
--- a/chrome/tools/test/reference_build/chrome_linux/resources/inspector/SourceView.js
+++ b/chrome/tools/test/reference_build/chrome_linux/resources/inspector/SourceView.js
@@ -95,12 +95,20 @@ WebInspector.SourceView.prototype = {
 
         this.attach();
 
-        if (!InspectorController.addResourceSourceToFrame(this.resource.identifier, this.sourceFrame.element))
-            return;
-
         delete this._frameNeedsSetup;
-
-        if (this.resource.type === WebInspector.Resource.Type.Script) {
+        this.sourceFrame.addEventListener("content loaded", this._contentLoaded, this);
+        InspectorController.addResourceSourceToFrame(this.resource.identifier, this.sourceFrame.element);
+    },
+    
+    _contentLoaded: function()
+    {
+        delete this._frameNeedsSetup;
+        this.sourceFrame.removeEventListener("content loaded", this._contentLoaded, this);
+        
+        if (this.resource.type === WebInspector.Resource.Type.Script
+            || this.resource.mimeType === 'application/json'
+            || this.resource.mimeType === 'application/javascript'
+            || /\.js(on)?$/.test(this.resource.lastPathComponent) ) {
             this.sourceFrame.addEventListener("syntax highlighting complete", this._syntaxHighlightingComplete, this);
             this.sourceFrame.syntaxHighlightJavascript();
         } else