Add overdraw visualization to the debugger

https://codereview.appspot.com/7267043/



git-svn-id: http://skia.googlecode.com/svn/trunk@7627 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/debugger/QT/SkSettingsWidget.cpp b/debugger/QT/SkSettingsWidget.cpp
index c74be40..09196fb 100644
--- a/debugger/QT/SkSettingsWidget.cpp
+++ b/debugger/QT/SkSettingsWidget.cpp
@@ -59,6 +59,10 @@
 
     fRasterCheckBox.setChecked(true);
 
+    fOverdrawVizLabel.setText("     Overdraw Viz: ");
+    fOverdrawVizLabel.setMinimumWidth(178);
+    fOverdrawVizLabel.setMaximumWidth(178);
+
     fGLLabel.setText("OpenGL: ");
     fGLLabel.setMinimumWidth(178);
     fGLLabel.setMaximumWidth(178);
@@ -66,12 +70,16 @@
     fRasterLayout.addWidget(&fRasterLabel);
     fRasterLayout.addWidget(&fRasterCheckBox);
 
+    fOverdrawVizLayout.addWidget(&fOverdrawVizLabel);
+    fOverdrawVizLayout.addWidget(&fOverdrawVizCheckBox);
+
     fGLLayout.addWidget(&fGLLabel);
     fGLLayout.addWidget(&fGLCheckBox);
 
     fCanvasLayout.setSpacing(6);
     fCanvasLayout.setContentsMargins(11,11,11,11);
     fCanvasLayout.addLayout(&fRasterLayout);
+    fCanvasLayout.addLayout(&fOverdrawVizLayout);
     fCanvasLayout.addLayout(&fGLLayout);
 
     // Command Toggle