Revert of Embedded constant pools.

src/arm64/assembler-arm64-inl.h

Index: src/arm64/assembler-arm64-inl.h
diff --git a/src/arm64/assembler-arm64-inl.h b/src/arm64/assembler-arm64-inl.h
index bbd44c5f106bec92a28db8075c26ecdb1ebcf500..1432c288d8d8d0bed2815c03222ebe22236b811f 100644
--- a/src/arm64/assembler-arm64-inl.h
+++ b/src/arm64/assembler-arm64-inl.h
@@ -586,13 +586,14 @@
 
 
 // Read/Modify the code target address in the branch/call instruction at pc.
-Address Assembler::target_address_at(Address pc, Address constant_pool) {
+Address Assembler::target_address_at(Address pc,
+                                     ConstantPoolArray* constant_pool) {
   return Memory::Address_at(target_pointer_address_at(pc));
 }
 
 
 Address Assembler::target_address_at(Address pc, Code* code) {
-  Address constant_pool = code ? code->constant_pool() : NULL;
+  ConstantPoolArray* constant_pool = code ? code->constant_pool() : NULL;
   return target_address_at(pc, constant_pool);
 }
 
@@ -664,7 +665,8 @@
 }
 
 
-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::Address_at(target_pointer_address_at(pc)) = target;
@@ -683,7 +685,7 @@
                                       Code* code,
                                       Address target,
                                       ICacheFlushMode icache_flush_mode) {
-  Address constant_pool = code ? code->constant_pool() : NULL;
+  ConstantPoolArray* constant_pool = code ? code->constant_pool() : NULL;
   set_target_address_at(pc, constant_pool, target, icache_flush_mode);
 }