Implement CFI for Quick.

CFI is necessary for stack unwinding in gdb, lldb, and libunwind.

Change-Id: Ic3b84c9dc91c4bae80e27cda02190f3274e95ae8
diff --git a/compiler/dex/quick/quick_compiler.h b/compiler/dex/quick/quick_compiler.h
index 5153a9e..09b08ac 100644
--- a/compiler/dex/quick/quick_compiler.h
+++ b/compiler/dex/quick/quick_compiler.h
@@ -60,7 +60,7 @@
     OVERRIDE
     SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
-  Mir2Lir* GetCodeGenerator(CompilationUnit* cu, void* compilation_unit) const;
+  static Mir2Lir* GetCodeGenerator(CompilationUnit* cu, void* compilation_unit);
 
   void InitCompilationUnit(CompilationUnit& cu) const OVERRIDE;