Revert of add colortable support to imagegenerator

src/images/SkImageGenerator.cpp

Index: src/images/SkImageGenerator.cpp
diff --git a/src/images/SkImageGenerator.cpp b/src/images/SkImageGenerator.cpp
deleted file mode 100644
index b898764f0c48979fa8efd2949e1871288d16b614..0000000000000000000000000000000000000000
--- a/src/images/SkImageGenerator.cpp
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * 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 "SkImageGenerator.h"
-
-#ifndef SK_SUPPORT_LEGACY_IMAGEGENERATORAPI
-bool SkImageGenerator::getInfo(SkImageInfo* info) {
-    SkImageInfo dummy;
-    if (NULL == info) {
-        info = &dummy;
-    }
-    return this->onGetInfo(info);
-}
-
-bool SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
-                                 SkPMColor ctable[], int* ctableCount) {
-    // Dummy (out-of-range) value to catch subclasses that forgot to respect ctable params.
-    int localCTableCount = -1;
-    int* localCTableCountPtr = NULL;
-
-    if (kIndex_8_SkColorType == info.colorType()) {
-        if (NULL == ctable || NULL == ctableCount) {
-            return false;
-        }
-    } else {
-        if (ctableCount) {
-            *ctableCount = 0;
-        }
-        ctableCount = NULL;
-        ctable = NULL;
-    }
-
-    if (kUnknown_SkColorType == info.colorType()) {
-        return false;
-    }
-    if (NULL == pixels) {
-        return false;
-    }
-    if (rowBytes < info.minRowBytes()) {
-        return false;
-    }
-
-    bool success = this->onGetPixels(info, pixels, rowBytes, ctable, localCTableCountPtr);
-
-    if (success && localCTableCountPtr) {
-        SkASSERT(localCTableCount >= 0 && localCTableCount <= 256);
-        if (ctableCount) {
-            *ctableCount = localCTableCount;
-        }
-    }
-    return success;
-}
-
-bool SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels, size_t rowBytes) {
-    SkASSERT(kIndex_8_SkColorType != info.colorType());
-    if (kIndex_8_SkColorType == info.colorType()) {
-        return false;
-    }
-    return this->getPixels(info, pixels, rowBytes, NULL, NULL);
-}
-#endif
-
-/////////////////////////////////////////////////////////////////////////////////////////////
-
-SkData* SkImageGenerator::onRefEncodedData() {
-    return NULL;
-}
-
-bool SkImageGenerator::onGetInfo(SkImageInfo*) {
-    return false;
-}
-
-bool SkImageGenerator::onGetPixels(const SkImageInfo&, void*, size_t, SkPMColor*, int*) {
-    return false;
-}