Reverting: Several changes to fix debug_stub:... (issue6489005)...

src/trusted/gdb_rsp/target.h

Index: src/trusted/gdb_rsp/target.h
===================================================================
--- src/trusted/gdb_rsp/target.h	(revision 4321)
+++ src/trusted/gdb_rsp/target.h	(working copy)
@@ -68,8 +68,6 @@
   // build the Target internal structures.
   bool Init();
 
-  void SetMemoryBase(uint64_t mem_base) { mem_base_ = mem_base; }
-
   // Add and remove temporary breakpoints.  These breakpoints
   // must be added just before we start running, and removed
   // just before we stop running to prevent the debugger from
@@ -152,7 +150,6 @@
 
   uint32_t run_thread_;   // Which thread to issue step commands on
   uint32_t reg_thread_;   // Which thread to issue context (reg) commands on
-  uint64_t mem_base_;
 };