Work around stack overflow

Review URL: https://codereview.appspot.com/7561043

git-svn-id: http://skia.googlecode.com/svn/trunk@8162 2bbb7eff-a529-9590-31e7-b0007b416f81

gm/modecolorfilters.cpp

@@ -139,8 +139,10 @@ protected:
                         SkRect rect = SkRect::MakeXYWH(x * kRectWidth, y * kRectHeight,
                                                        SkIntToScalar(kRectWidth),
                                                        SkIntToScalar(kRectHeight));
+                        canvas->saveLayer(&rect, NULL);
                         canvas->drawRect(rect, bgPaint);
                         canvas->drawRect(rect, paint);
+                        canvas->restore();
                         ++idx;
                     }
                 }

src/pdf/SkPDFFormXObject.cpp

@@ -26,10 +26,6 @@ SkPDFFormXObject::SkPDFFormXObject(SkPDFDevice* device) {
     // If there is an issue, getResources will end up consuming all memory.
     // TODO: A better approach might be for all SkPDFObject to keep track
     // of possible cycles.
-#ifdef SK_DEBUG
-    SkTDArray<SkPDFObject*> dummy_resourceList;
-    getResources(&dummy_resourceList);
-#endif
 
     SkAutoTUnref<SkStream> content(device->content());
     setData(content.get());