Guard against most unintentionally ephemeral SkAutoFoo instantiations.

src/core/SkCanvas.cpp

 
 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkCanvas.h"
@@ skipping 441 matching lines @@
 public:
     SkAutoBounderCommit(SkBounder* bounder) : fBounder(bounder) {}
     ~SkAutoBounderCommit() {
         if (NULL != fBounder) {
             fBounder->commit();
         }
     }
 private:
     SkBounder*  fBounder;
 };
+#define SkAutoBounderCommit(...) SK_REQUIRE_LOCAL_VAR(SkAutoBounderCommit)
 
 #include "SkColorPriv.h"
 
 ////////// macros to place around the internal draw calls //////////////////
 
 #define LOOPER_BEGIN_DRAWDEVICE(paint, type)                        \
     this->predrawNotify();                                          \
     AutoDrawLooper  looper(this, paint, true);                      \
     while (looper.next(type)) {                                     \
         SkAutoBounderCommit ac(fBounder);                           \
@@ skipping 1733 matching lines @@
     return *paint;
 }
 
 const SkRegion& SkCanvas::LayerIter::clip() const { return fImpl->getClip(); }
 int SkCanvas::LayerIter::x() const { return fImpl->getX(); }
 int SkCanvas::LayerIter::y() const { return fImpl->getY(); }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SkCanvas::ClipVisitor::~ClipVisitor() { }