Remove the remainder of the skia source code from the Chromium repo....

skia/sgl/SkMask.cpp

-/* libs/graphics/sgl/SkMask.cpp
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
-
-#include "Sk64.h"
-#include "SkMask.h"
-
-/** returns the product if it is positive and fits in 31 bits. Otherwise this
-    returns 0.
- */
-static int32_t safeMul32(int32_t a, int32_t b) {
-    Sk64 size;
-    size.setMul(a, b);
-    if (size.is32() && size.isPos()) {
-        return size.get32();
-    }
-    return 0;
-}
-
-size_t SkMask::computeImageSize() const {
-    return safeMul32(fBounds.height(), fRowBytes);
-}
-
-size_t SkMask::computeTotalImageSize() const {
-    size_t size = this->computeImageSize();
-    if (fFormat == SkMask::k3D_Format) {
-        size = safeMul32(size, 3);
-    }
-    return size;
-}
-
-/** We explicitly use this allocator for SkBimap pixels, so that we can
-    freely assign memory allocated by one class to the other.
-*/
-uint8_t* SkMask::AllocImage(size_t size)
-{
-    return (uint8_t*)sk_malloc_throw(SkAlign4(size));
-}
-
-/** We explicitly use this allocator for SkBimap pixels, so that we can
-    freely assign memory allocated by one class to the other.
-*/
-void SkMask::FreeImage(void* image)
-{
-    sk_free(image);
-}
-