Move ExitFrame::ComputeStackPointer from frames-<arch>.cc to frames.cc

src/arm/frames-arm.cc

Index: src/arm/frames-arm.cc
diff --git a/src/arm/frames-arm.cc b/src/arm/frames-arm.cc
index f5a7dbd3ee1a791d193f4ad9bafb821325988007..72fc5cea001706c83039a546e45d00651597affc 100644
--- a/src/arm/frames-arm.cc
+++ b/src/arm/frames-arm.cc
@@ -32,7 +32,7 @@
 #include "assembler.h"
 #include "assembler-arm.h"
 #include "assembler-arm-inl.h"
-#include "frames-inl.h"
+#include "frames.h"
 #include "macro-assembler.h"
 #include "macro-assembler-arm.h"
 
@@ -40,11 +40,6 @@ namespace v8 {
 namespace internal {
 
 
-Address ExitFrame::ComputeStackPointer(Address fp) {
-  return Memory::Address_at(fp + ExitFrameConstants::kSPOffset);
-}
-
-
 Register JavaScriptFrame::fp_register() { return v8::internal::fp; }
 Register JavaScriptFrame::context_register() { return cp; }