Archive more dead code.

src/core/SkMiniData.cpp

-#include "SkMiniData.h"
-
-namespace {
-
-// SkMiniData::fRep either stores a LongData* or is punned into a ShortData.
-// We use the low bits to distinguish the two: all pointers from malloc are at
-// least 8-byte aligned, leaving those low bits clear when it's a LongData*.
-
-static bool is_long(uint64_t rep) {
-    // Even on 32-bit machines, we require the bottom 3 bits from malloc'd pointers are clear.
-    // If any of those bottom 3 bits are set, it's from a ShortData's len.  And if no bits are
-    // set anywhere, it's an empty SkMiniData, which also follows the ShortData path.
-    return rep && SkIsAlign8(rep);
-}
-
-// Can be used for any length, but we always use it for >=8.
-struct LongData {
-    size_t len;
-    uint8_t data[8];  // There are actually len >= 8 bytes here.
-
-    static uint64_t Create(const void* data, size_t len) {
-        SkASSERT(len > 7);
-        LongData* s = (LongData*)sk_malloc_throw(sizeof(size_t) + len);
-        s->len = len;
-        memcpy(s->data, data, len);
-
-        uint64_t rep = reinterpret_cast<uint64_t>(s);
-        SkASSERT(is_long(rep));
-        return rep;
-    }
-};
-
-// At most 7 bytes fit, but never mallocs.
-struct ShortData {
-    // Order matters here. len must align with the least signficant bits of a pointer.
-#ifdef SK_CPU_LENDIAN
-    uint8_t len;
-    uint8_t data[7];
-#else  // Warning!  Only the little-endian path has been tested.
-    uint8_t data[7];
-    uint8_t len;
-#endif
-
-    static uint64_t Create(const void* data, size_t len) {
-        SkASSERT(len <= 7);
-#ifdef SK_CPU_LENDIAN
-        ShortData s = { (uint8_t)len, {0, 0, 0, 0, 0, 0, 0} };
-#else  // Warning!  Only the little-endian path has been tested.
-        ShortData s = { {0, 0, 0, 0, 0, 0, 0}, (uint8_t)len };
-#endif
-        memcpy(s.data, data, len);
-        return *reinterpret_cast<uint64_t*>(&s);
-    }
-};
-
-}  // namespace
-
-SkMiniData::SkMiniData(const void* data, size_t len)
-    : fRep(len <= 7 ? ShortData::Create(data, len)
-                    :  LongData::Create(data, len)) {}
-
-SkMiniData::SkMiniData(const SkMiniData& s)
-    : fRep(s.len() <= 7 ? ShortData::Create(s.data(), s.len())
-                        :  LongData::Create(s.data(), s.len())) {}
-
-SkMiniData::~SkMiniData() {
-    if (is_long(fRep)) {
-        sk_free(reinterpret_cast<void*>(fRep));
-    }
-}
-
-const void* SkMiniData::data() const {
-    return is_long(fRep) ? reinterpret_cast<const  LongData*>( fRep)->data
-                         : reinterpret_cast<const ShortData*>(&fRep)->data;
-}
-
-size_t SkMiniData::len() const {
-    return is_long(fRep) ? reinterpret_cast<const  LongData*>( fRep)->len
-                         : reinterpret_cast<const ShortData*>(&fRep)->len;
-}