Revert of Revert of SkDrawCommand scrubbing

debugger/QT/SkDebuggerGUI.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDebuggerGUI.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
@@ skipping 671 matching lines @@
 
 void SkDebuggerGUI::registerListClick(QListWidgetItem *item) {
     if(!fLoading) {
         int currentRow = fListWidget.currentRow();
 
         if (currentRow != -1) {
             if (!fPause) {
                 fCanvasWidget.drawTo(currentRow);
                 fImageWidget.draw();
             }
-            SkTDArray<SkString*> *currInfo = fDebugger.getCommandInfo(
-                    currentRow);
+            const SkTDArray<SkString*> *currInfo = fDebugger.getCommandInfo(currentRow);
 
             /* TODO(chudy): Add command type before parameters. Rename v
              * to something more informative. */
             if (currInfo) {
                 QString info;
                 info.append("<b>Parameters: </b><br/>");
                 for (int i = 0; i < currInfo->count(); i++) {
 
                     info.append(QString((*currInfo)[i]->c_str()));
                     info.append("<br/>");
@@ skipping 404 matching lines @@
     }
 
     // NOTE(chudy): Makes first item unselectable.
     QStandardItemModel* model = qobject_cast<QStandardItemModel*>(
             fFilter.model());
     QModelIndex firstIndex = model->index(0, fFilter.modelColumn(),
             fFilter.rootModelIndex());
     QStandardItem* firstItem = model->itemFromIndex(firstIndex);
     firstItem->setSelectable(false);
 }