Allow debugger to be compiled without Ganesh

https://codereview.appspot.com/7311084/



git-svn-id: http://skia.googlecode.com/svn/trunk@7710 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/debugger/QT/SkSettingsWidget.h b/debugger/QT/SkSettingsWidget.h
index 73cd6e1..1a16ed2 100644
--- a/debugger/QT/SkSettingsWidget.h
+++ b/debugger/QT/SkSettingsWidget.h
@@ -39,9 +39,11 @@
 
     QRadioButton* getVisibilityButton();
 
+#if SK_SUPPORT_GPU
     QCheckBox* getGLCheckBox() {
         return &fGLCheckBox;
     }
+#endif
 
     QCheckBox* getRasterCheckBox() {
         return &fRasterCheckBox;
@@ -95,9 +97,11 @@
     QLabel fOverdrawVizLabel;
     QCheckBox fOverdrawVizCheckBox;
 
+#if SK_SUPPORT_GPU
     QHBoxLayout fGLLayout;
     QLabel fGLLabel;
     QCheckBox fGLCheckBox;
+#endif
 
     QFrame fZoomFrame;
     QHBoxLayout fZoomLayout;