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

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

Index: chrome/tools/test/reference_build/chrome_linux/resources/inspector/TopDownProfileDataGridTree.js
diff --git a/chrome/tools/test/reference_build/chrome_linux/resources/inspector/TopDownProfileDataGridTree.js b/chrome/tools/test/reference_build/chrome_linux/resources/inspector/TopDownProfileDataGridTree.js
new file mode 100644
index 0000000000000000000000000000000000000000..b9d8b94b8756a4301b347981c71c0486135f80d7
--- /dev/null
+++ b/chrome/tools/test/reference_build/chrome_linux/resources/inspector/TopDownProfileDataGridTree.js
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2009 280 North 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
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+WebInspector.TopDownProfileDataGridNode = function(/*ProfileView*/ profileView, /*ProfileNode*/ profileNode, /*TopDownProfileDataGridTree*/ owningTree)
+{
+    var hasChildren = (profileNode.children && profileNode.children.length);
+
+    WebInspector.ProfileDataGridNode.call(this, profileView, profileNode, owningTree, hasChildren);
+
+    this._remainingChildren = profileNode.children;
+}
+
+WebInspector.TopDownProfileDataGridNode.prototype = {
+    _populate: function(event)
+    {
+        var children = this._remainingChildren;
+        var childrenLength = children.length;
+
+        for (var i = 0; i < childrenLength; ++i)
+            this.appendChild(new WebInspector.TopDownProfileDataGridNode(this.profileView, children[i], this.tree));
+
+        if (this.removeEventListener)
+            this.removeEventListener("populate", this._populate, this);
+
+        this._remainingChildren = null;
+    },
+
+    _exclude: function(aCallUID)
+    {
+        if (this._remainingChildren)
+            this._populate();
+
+        this._save();
+
+        var children = this.children;
+        var index = this.children.length;
+
+        while (index--)
+            children[index]._exclude(aCallUID);
+
+        var child = this.childrenByCallUID[aCallUID];
+
+        if (child)
+            this._merge(child, true);
+    }
+}
+
+WebInspector.TopDownProfileDataGridNode.prototype.__proto__ = WebInspector.ProfileDataGridNode.prototype;
+
+WebInspector.TopDownProfileDataGridTree = function(/*ProfileView*/ profileView, /*ProfileNode*/ profileNode)
+{
+    WebInspector.ProfileDataGridTree.call(this, profileView, profileNode);
+
+    this._remainingChildren = profileNode.children;
+
+    WebInspector.TopDownProfileDataGridNode.prototype._populate.call(this);
+}
+
+WebInspector.TopDownProfileDataGridTree.prototype = {
+    focus: function(/*ProfileDataGridNode*/ profileDataGrideNode)
+    {
+        if (!profileDataGrideNode)
+            return;
+
+        this._save();
+
+        this.children = [profileDataGrideNode];
+        this.totalTime = profileDataGrideNode.totalTime;
+    },
+
+    exclude: function(/*ProfileDataGridNode*/ profileDataGrideNode)
+    {
+        if (!profileDataGrideNode)
+            return;
+
+        this._save();
+
+        var excludedCallUID = profileDataGrideNode.callUID;
+
+        WebInspector.TopDownProfileDataGridNode.prototype._exclude.call(this, excludedCallUID);
+
+        if (this.lastComparator)
+            this.sort(this.lastComparator, true);
+    },
+
+    _merge: WebInspector.TopDownProfileDataGridNode.prototype._merge
+}
+
+WebInspector.TopDownProfileDataGridTree.prototype.__proto__ = WebInspector.ProfileDataGridTree.prototype;