Revert of Turn libbase into a component

src/base/division-by-constant.cc

Index: src/base/division-by-constant.cc
diff --git a/src/base/division-by-constant.cc b/src/base/division-by-constant.cc
index 3d8fc1a4a9ca473cfa8601a24baca4225ee7809f..5167b7a60c9f0ac9a9f1358c1e7a303e5aa2a737 100644
--- a/src/base/division-by-constant.cc
+++ b/src/base/division-by-constant.cc
@@ -11,6 +11,13 @@
 
 namespace v8 {
 namespace base {
+
+template <class T>
+bool MagicNumbersForDivision<T>::operator==(
+    const MagicNumbersForDivision& rhs) const {
+  return multiplier == rhs.multiplier && shift == rhs.shift && add == rhs.add;
+}
+
 
 template <class T>
 MagicNumbersForDivision<T> SignedDivisionByConstant(T d) {
@@ -93,6 +100,9 @@
 // -----------------------------------------------------------------------------
 // Instantiations.
 
+template struct MagicNumbersForDivision<uint32_t>;
+template struct MagicNumbersForDivision<uint64_t>;
+
 template MagicNumbersForDivision<uint32_t> SignedDivisionByConstant(uint32_t d);
 template MagicNumbersForDivision<uint64_t> SignedDivisionByConstant(uint64_t d);