Why are we afraid of saveLayer() bounds?

tests/RecordOptsTest.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Test.h"
 #include "RecordTestUtils.h"
 
@@ skipping 109 matching lines @@
 
     SkPaint goodLayerPaint, badLayerPaint, worseLayerPaint;
     goodLayerPaint.setColor(0x03000000);  // Only alpha.
     badLayerPaint.setColor( 0x03040506);  // Not only alpha.
     worseLayerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode);  // Any effect will do.
 
     SkPaint goodDrawPaint, badDrawPaint;
     goodDrawPaint.setColor(0xFF020202);  // Opaque.
     badDrawPaint.setColor( 0x0F020202);  // Not opaque.
 
-    // No change: optimization can't handle bounds.
+    // SaveLayer/Restore removed: No paint = no point.
+    recorder.saveLayer(NULL, NULL);
+        recorder.drawRect(draw, goodDrawPaint);
+    recorder.restore();
+    assert_savelayer_restore(r, &record, 0, true);
+
+    // Bounds don't matter.
     recorder.saveLayer(&bounds, NULL);
         recorder.drawRect(draw, goodDrawPaint);
     recorder.restore();
-    if (!SkCanvas::Internal_Private_GetIgnoreSaveLayerBounds()) {
-        assert_savelayer_restore(r, &record, 0, false);
-    }
-
-    // SaveLayer/Restore removed: no bounds + no paint = no point.
-    recorder.saveLayer(NULL, NULL);
-        recorder.drawRect(draw, goodDrawPaint);
-    recorder.restore();
     assert_savelayer_restore(r, &record, 3, true);
 
     // TODO(mtklein): test case with null draw paint
 
     // No change: layer paint isn't alpha-only.
     recorder.saveLayer(NULL, &badLayerPaint);
         recorder.drawRect(draw, goodDrawPaint);
     recorder.restore();
     assert_savelayer_restore(r, &record, 6, false);
 
@@ skipping 12 matching lines @@
     // SaveLayer/Restore removed: we can fold in the alpha!
     recorder.saveLayer(NULL, &goodLayerPaint);
         recorder.drawRect(draw, goodDrawPaint);
     recorder.restore();
     assert_savelayer_restore(r, &record, 15, true);
 
     const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, record, 16);
     REPORTER_ASSERT(r, drawRect != NULL);
     REPORTER_ASSERT(r, drawRect->paint.getColor() == 0x03020202);
 }