Move ComputeCallInitialize from the codegen.cc to stub-cache.cc.

src/x64/virtual-frame-x64.cc

Index: src/x64/virtual-frame-x64.cc
===================================================================
--- src/x64/virtual-frame-x64.cc	(revision 5810)
+++ src/x64/virtual-frame-x64.cc	(working copy)
@@ -32,6 +32,7 @@
 #include "codegen-inl.h"
 #include "register-allocator-inl.h"
 #include "scopes.h"
+#include "stub-cache.h"
 #include "virtual-frame-inl.h"
 
 namespace v8 {
@@ -1194,7 +1195,7 @@
   // and dropped by the call.  The IC expects the name in rcx and the rest
   // on the stack, and drops them all.
   InLoopFlag in_loop = loop_nesting > 0 ? IN_LOOP : NOT_IN_LOOP;
-  Handle<Code> ic = cgen()->ComputeCallInitialize(arg_count, in_loop);
+  Handle<Code> ic = StubCache::ComputeCallInitialize(arg_count, in_loop);
   Result name = Pop();
   // Spill args, receiver, and function.  The call will drop args and
   // receiver.
@@ -1213,7 +1214,7 @@
   // on the stack, and drops them all.
   InLoopFlag in_loop = loop_nesting > 0 ? IN_LOOP : NOT_IN_LOOP;
   Handle<Code> ic =
-      cgen()->ComputeKeyedCallInitialize(arg_count, in_loop);
+      StubCache::ComputeKeyedCallInitialize(arg_count, in_loop);
   Result name = Pop();
   // Spill args, receiver, and function.  The call will drop args and
   // receiver.