Clean up SkImageFilter constructors.

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 14 matching lines @@
 SkImageFilter::SkImageFilter(int inputCount, SkImageFilter** inputs, const CropRect* cropRect)
   : fInputCount(inputCount),
     fInputs(new SkImageFilter*[inputCount]),
     fCropRect(cropRect ? *cropRect : CropRect(SkRect(), 0x0)) {
     for (int i = 0; i < inputCount; ++i) {
         fInputs[i] = inputs[i];
         SkSafeRef(fInputs[i]);
     }
 }
 
-SkImageFilter::SkImageFilter(SkImageFilter* input, const CropRect* cropRect)
-  : fInputCount(1),
-    fInputs(new SkImageFilter*[1]),
-    fCropRect(cropRect ? *cropRect : CropRect(SkRect(), 0x0)) {
-    fInputs[0] = input;
-    SkSafeRef(fInputs[0]);
-}
-
-SkImageFilter::SkImageFilter(SkImageFilter* input1, SkImageFilter* input2, const CropRect* cropRect)
-  : fInputCount(2), fInputs(new SkImageFilter*[2]),
-    fCropRect(cropRect ? *cropRect : CropRect(SkRect(), 0x0)) {
-    fInputs[0] = input1;
-    fInputs[1] = input2;
-    SkSafeRef(fInputs[0]);
-    SkSafeRef(fInputs[1]);
-}
-
 SkImageFilter::~SkImageFilter() {
     for (int i = 0; i < fInputCount; i++) {
         SkSafeUnref(fInputs[i]);
     }
     delete[] fInputs;
 }
 
 SkImageFilter::SkImageFilter(int inputCount, SkReadBuffer& buffer) {
     fInputCount = buffer.readInt();
     if (buffer.validate((fInputCount >= 0) && ((inputCount < 0) || (fInputCount == inputCount)))) {
@@ skipping 376 matching lines @@
 
 CacheImpl::~CacheImpl() {
     SkTDynamicHash<Value, Key>::Iter iter(&fData);
 
     while (!iter.done()) {
         Value* v = &*iter;
         ++iter;
         delete v;
     }
 }