1 files changed, 0 insertions, 175 deletions
diff --git a/chromium/third_party/trace-viewer/src/tcmalloc/tcmalloc_snapshot_view.js b/chromium/third_party/trace-viewer/src/tcmalloc/tcmalloc_snapshot_view.js
deleted file mode 100644
index fc6db71e414..00000000000
--- a/chromium/third_party/trace-viewer/src/tcmalloc/tcmalloc_snapshot_view.js
+++ /dev/null
@@ -1,175 +0,0 @@
-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-base.requireStylesheet('tcmalloc.tcmalloc_snapshot_view');
-
-base.require('tracing.analysis.object_snapshot_view');
-base.require('tracing.analysis.util');
-
-base.exportTo('tcmalloc', function() {
-
-  var tsRound = tracing.analysis.tsRound;
-
-  /*
-   * Displays a heap memory snapshot in a human readable form.
-   * @constructor
-   */
-  var TcmallocSnapshotView = ui.define(
-      'heap-snapshot-view',
-      tracing.analysis.ObjectSnapshotView);
-
-  TcmallocSnapshotView.prototype = {
-    __proto__: tracing.analysis.ObjectSnapshotView.prototype,
-
-    decorate: function() {
-      this.classList.add('tcmalloc-snapshot-view');
-    },
-
-    updateContents: function() {
-      var snapshot = this.objectSnapshot_;
-      if (!snapshot || !snapshot.heap_) {
-        this.textContent = 'No heap found.';
-        return;
-      }
-      // Clear old snapshot view.
-      this.textContent = '';
-
-      // Note: "total" may actually be less than the largest allocation bin.
-      // This might happen if one stack is doing a lot of allocation, then
-      // passing off to another stack for deallocation.  That stack will
-      // have a high "current bytes" count and the other one might be
-      // negative or zero. So "total" may be smaller than the largest trace.
-      var subhead = document.createElement('div');
-      subhead.textContent = 'Retaining ' +
-          this.getByteString_(snapshot.total_.currentBytes) + ' in ' +
-          snapshot.total_.currentAllocs +
-          ' allocations. Showing > 0.1 MB.';
-      subhead.className = 'subhead';
-      this.appendChild(subhead);
-
-      // Build a nested tree-view of allocations
-      var myList = this.buildAllocList_(snapshot.heap_, false);
-      this.appendChild(myList);
-    },
-
-    /**
-     * Creates a nested list with clickable entries.
-     * @param {Object} heapEntry The current trace heap entry.
-     * @param {boolean} hide Whether this list is hidden by default.
-     * @return {Element} A <ul> list element.
-     */
-    buildAllocList_: function(heapEntry, hide) {
-      var myList = document.createElement('ul');
-      myList.hidden = hide;
-      var keys = Object.keys(heapEntry.children);
-      keys.sort(function(a, b) {
-        // Sort from large to small.
-        return heapEntry.children[b].currentBytes -
-            heapEntry.children[a].currentBytes;
-      });
-      for (var i = 0; i < keys.length; i++) {
-        var traceName = keys[i];
-        var trace = heapEntry.children[traceName];
-        // Don't show small nodes - they make things harder to see.
-        if (trace.currentBytes < 100 * 1024)
-          continue;
-        var childCount = Object.keys(trace.children).length;
-        var isLeaf = childCount == 0;
-        var myItem = this.buildItem_(
-            traceName, isLeaf, trace.currentBytes, trace.currentAllocs);
-        myList.appendChild(myItem);
-        // Build a nested <ul> list of my children.
-        if (childCount > 0)
-          myItem.appendChild(this.buildAllocList_(trace, true));
-      }
-      return myList;
-    },
-
-    /*
-     * Returns a <li> for an allocation traceName of size bytes.
-     */
-    buildItem_: function(traceName, isLeaf, bytes, allocs) {
-      var myItem = document.createElement('li');
-      myItem.className = 'trace-item';
-      myItem.id = traceName;
-
-      var byteDiv = document.createElement('div');
-      byteDiv.textContent = this.getByteString_(bytes);
-      byteDiv.className = 'trace-bytes';
-      myItem.appendChild(byteDiv);
-
-      if (traceName.length == 0) {
-        // The empty trace name indicates that the allocations occurred at
-        // this trace level, not in a sub-trace. This looks weird as the
-        // empty string, so replace it with something non-empty and don't
-        // give that line an expander.
-        traceName = '(here)';
-      } else if (traceName.indexOf('..') == 0) {
-        // Tasks in RunTask have special handling. They show the path of the
-        // filename. Convert '../../foo.cc' into 'RunTask from foo.cc'.
-        var lastSlash = traceName.lastIndexOf('/');
-        if (lastSlash != -1)
-          traceName = 'Task from ' + traceName.substr(lastSlash + 1);
-      }
-      var traceDiv = document.createElement('div');
-      traceDiv.textContent = traceName;
-      traceDiv.className = 'trace-name';
-      myItem.appendChild(traceDiv);
-
-      // Don't allow leaf nodes to be expanded.
-      if (isLeaf)
-        return myItem;
-
-      // Expand the element when it is clicked.
-      var self = this;
-      myItem.addEventListener('click', function(event) {
-        // Allow click on the +/- image (li) or child divs.
-        if (this == event.target || this == event.target.parentElement) {
-          this.classList.toggle('expanded');
-          var child = this.querySelector('ul');
-          child.hidden = !child.hidden;
-          // Highlight this stack trace in the timeline view.
-          self.onItemClicked_(this);
-        }
-      });
-      myItem.classList.add('collapsed');
-      return myItem;
-    },
-
-    onItemClicked_: function(traceItem) {
-      // Compute the full stack trace the user just clicked.
-      var traces = [];
-      while (traceItem.classList.contains('trace-item')) {
-        var traceNameDiv = traceItem.firstElementChild.nextElementSibling;
-        traces.unshift(traceNameDiv.textContent);
-        var traceNameUl = traceItem.parentElement;
-        traceItem = traceNameUl.parentElement;
-      }
-      // Tell the instance that this stack trace is selected.
-      var instance = this.objectSnapshot_.objectInstance;
-      instance.selectedTraces = traces;
-      // Invalid the viewport to cause a redraw.
-      var trackView = document.querySelector('.timeline-track-view');
-      trackView.viewport_.dispatchChangeEvent();
-    },
-
-    /*
-     * Returns a human readable string for a size in bytes.
-     */
-    getByteString_: function(bytes) {
-      var mb = bytes / 1024 / 1024;
-      return mb.toFixed(1) + ' MB';
-    }
-  };
-
-  tracing.analysis.ObjectSnapshotView.register(
-      'memory::Heap', TcmallocSnapshotView);
-
-  return {
-    TcmallocSnapshotView: TcmallocSnapshotView
-  };
-
-});