Move platform abstraction to base library

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 2165 matching lines @@
   return BitCast<uint64_t, double>(value) == kHoleNanInt64;
 }
 
 
 inline double FixedDoubleArray::hole_nan_as_double() {
   return BitCast<double, uint64_t>(kHoleNanInt64);
 }
 
 
 inline double FixedDoubleArray::canonical_not_the_hole_nan_as_double() {
-  ASSERT(BitCast<uint64_t>(OS::nan_value()) != kHoleNanInt64);
-  ASSERT((BitCast<uint64_t>(OS::nan_value()) >> 32) != kHoleNanUpper32);
-  return OS::nan_value();
+  ASSERT(BitCast<uint64_t>(base::OS::nan_value()) != kHoleNanInt64);
+  ASSERT((BitCast<uint64_t>(base::OS::nan_value()) >> 32) != kHoleNanUpper32);
+  return base::OS::nan_value();
 }
 
 
 double FixedDoubleArray::get_scalar(int index) {
   ASSERT(map() != GetHeap()->fixed_cow_array_map() &&
          map() != GetHeap()->fixed_array_map());
   ASSERT(index >= 0 && index < this->length());
   double result = READ_DOUBLE_FIELD(this, kHeaderSize + index * kDoubleSize);
   ASSERT(!is_the_hole_nan(result));
   return result;
@@ skipping 1746 matching lines @@
 int16_t Int16ArrayTraits::defaultValue() { return 0; }
 
 
 uint32_t Uint32ArrayTraits::defaultValue() { return 0; }
 
 
 int32_t Int32ArrayTraits::defaultValue() { return 0; }
 
 
 float Float32ArrayTraits::defaultValue() {
-  return static_cast<float>(OS::nan_value());
+  return static_cast<float>(base::OS::nan_value());
 }
 
 
-double Float64ArrayTraits::defaultValue() { return OS::nan_value(); }
+double Float64ArrayTraits::defaultValue() { return base::OS::nan_value(); }
 
 
 template <class Traits>
 typename Traits::ElementType FixedTypedArray<Traits>::get_scalar(int index) {
   ASSERT((index >= 0) && (index < this->length()));
   ElementType* ptr = reinterpret_cast<ElementType*>(
       FIELD_ADDR(this, kDataOffset));
   return ptr[index];
 }
 
@@ skipping 3052 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_