Revert of Fix bounds computation of all 0-input filters.

src/core/SkImageFilter.cpp

 /*
  * Copyright 2012 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 "SkImageFilter.h"
 
 #include "SkBitmap.h"
@@ skipping 324 matching lines @@
         canvas.drawBitmap(src, srcOffset->x() - bounds->x(), srcOffset->y() - bounds->y());
         *srcOffset = SkIPoint::Make(bounds->x(), bounds->y());
         *dst = device->accessBitmap(false);
         return true;
     }
 }
 
 bool SkImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
                                    SkIRect* dst) const {
     if (fInputCount < 1) {
-        *dst = src;
-        return true;
+        return false;
     }
 
     SkIRect bounds;
     for (int i = 0; i < fInputCount; ++i) {
         SkImageFilter* filter = this->getInput(i);
         SkIRect rect = src;
         if (filter && !filter->filterBounds(src, ctm, &rect)) {
             return false;
         }
         if (0 == i) {
@@ skipping 137 matching lines @@
 
 SkImageFilter::Cache* SkImageFilter::Cache::Create(size_t maxBytes) {
     return SkNEW_ARGS(CacheImpl, (maxBytes));
 }
 
 SK_DECLARE_STATIC_LAZY_PTR(SkImageFilter::Cache, cache, CreateCache);
 
 SkImageFilter::Cache* SkImageFilter::Cache::Get() {
     return cache.get();
 }