Remove the barely used macro assemblers after merging their contents to the base

runtime/vm/stack_frame.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/stack_frame.h"
 
-#include "vm/assembler_macros.h"
+#include "vm/assembler.h"
 #include "vm/deopt_instructions.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/os.h"
 #include "vm/parser.h"
 #include "vm/raw_object.h"
 #include "vm/stub_code.h"
 #include "vm/visitor.h"
 
@@ skipping 118 matching lines @@
 
 RawCode* StackFrame::GetCodeObject() const {
   // We add a no gc scope to ensure that the code below does not trigger
   // a GC as we are handling raw object references here. It is possible
   // that the code is called while a GC is in progress, that is ok.
   NoGCScope no_gc;
   uword saved_pc =
       *(reinterpret_cast<uword*>(fp() + EntrypointMarkerOffsetFromFp()));
   if (saved_pc != 0) {
     uword entry_point =
-        (saved_pc - AssemblerMacros::kOffsetOfSavedPCfromEntrypoint);
+        (saved_pc - Assembler::kOffsetOfSavedPCfromEntrypoint);
     RawInstructions* instr = Instructions::FromEntryPoint(entry_point);
     if (instr != Instructions::null()) {
       return instr->ptr()->code_;
     }
   }
   return Code::null();
 }
 
 
 bool StackFrame::FindExceptionHandler(uword* handler_pc) const {
@@ skipping 182 matching lines @@
                                            &func);
       code_ = func.unoptimized_code();
       function_ = func.raw();
       return;
     }
   }
   SetDone();
 }
 
 }  // namespace dart