[v8] Move all the RelocInfo::set_target_address function into one place.

src/ppc/assembler-ppc-inl.h

Index: src/ppc/assembler-ppc-inl.h
diff --git a/src/ppc/assembler-ppc-inl.h b/src/ppc/assembler-ppc-inl.h
index e0bf74b931f8457d91c559df41055a3f7da8719d..12201daf2194e71bd48bbca2351f64c3d8e6dd15 100644
--- a/src/ppc/assembler-ppc-inl.h
+++ b/src/ppc/assembler-ppc-inl.h
@@ -132,21 +132,6 @@ Address RelocInfo::constant_pool_entry_address() {
 int RelocInfo::target_address_size() { return Assembler::kSpecialTargetSize; }
 
 
-void RelocInfo::set_target_address(Address target,
-                                   WriteBarrierMode write_barrier_mode,
-                                   ICacheFlushMode icache_flush_mode) {
-  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_));
-  Assembler::set_target_address_at(isolate_, pc_, host_, target,
-                                   icache_flush_mode);
-  if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL &&
-      IsCodeTarget(rmode_)) {
-    Object* target_code = Code::GetCodeFromTargetAddress(target);
-    host()->GetHeap()->incremental_marking()->RecordWriteIntoCode(
-        host(), this, HeapObject::cast(target_code));
-  }
-}
-
-
 Address Assembler::target_address_from_return_address(Address pc) {
 // Returns the address of the call target from the return address that will
 // be returned to after a call.