Revert of Embedded constant pools.

src/x64/assembler-x64-inl.h

Index: src/x64/assembler-x64-inl.h
diff --git a/src/x64/assembler-x64-inl.h b/src/x64/assembler-x64-inl.h
index 90deaba4fee64aacbae7ede13decf38ecb268811..1a20109612ec33d72ceacb09af86cb96c13f74f5 100644
--- a/src/x64/assembler-x64-inl.h
+++ b/src/x64/assembler-x64-inl.h
@@ -267,12 +267,14 @@
 }
 
 
-Address Assembler::target_address_at(Address pc, Address constant_pool) {
+Address Assembler::target_address_at(Address pc,
+                                     ConstantPoolArray* constant_pool) {
   return Memory::int32_at(pc) + pc + 4;
 }
 
 
-void Assembler::set_target_address_at(Address pc, Address constant_pool,
+void Assembler::set_target_address_at(Address pc,
+                                      ConstantPoolArray* constant_pool,
                                       Address target,
                                       ICacheFlushMode icache_flush_mode) {
   Memory::int32_at(pc) = static_cast<int32_t>(target - pc - 4);