fix minor bug drawing batch bounds by default

tools/debugger/SkDebugCanvas.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 "SkCanvasPriv.h"
 #include "SkClipStack.h"
 #include "SkDebugCanvas.h"
@@ skipping 57 matching lines @@
 
 SkDebugCanvas::SkDebugCanvas(int width, int height)
         : INHERITED(width, height)
         , fPicture(nullptr)
         , fFilter(false)
         , fMegaVizMode(false)
         , fOverdrawViz(false)
         , fOverrideFilterQuality(false)
         , fFilterQuality(kNone_SkFilterQuality)
         , fClipVizColor(SK_ColorTRANSPARENT)
-        , fDrawGpuBatchBounds(true) {
+        , fDrawGpuBatchBounds(false) {
     fUserMatrix.reset();
 
     // SkPicturePlayback uses the base-class' quickReject calls to cull clipped
     // operations. This can lead to problems in the debugger which expects all
     // the operations in the captured skp to appear in the debug canvas. To
     // circumvent this we create a wide open clip here (an empty clip rect
     // is not sufficient).
     // Internally, the SkRect passed to clipRect is converted to an SkIRect and
     // rounded out. The following code creates a nearly maximal rect that will
     // not get collapsed by the coming conversions (Due to precision loss the
@@ skipping 616 matching lines @@
 }
 
 bool SkDebugCanvas::lastClipStackData(const SkPath& devPath) {
     if (fCalledAddStackData) {
         fClipStackData.appendf("<br>");
         addPathData(devPath, "pathOut");
         return true;
     }
     return false;
 }