[ic] Move KeyedStoreIC::GenerateSlow() to ic-XXX.cc to avoid code duplication.

src/ic/ia32/ic-ia32.cc

Index: src/ic/ia32/ic-ia32.cc
diff --git a/src/ic/ia32/ic-ia32.cc b/src/ic/ia32/ic-ia32.cc
index 0550d92e91bd26c12931d79bf5ff4e32dc03ab82..545f714fa606de4ff4f3eb9c6401dc401b295654 100644
--- a/src/ic/ia32/ic-ia32.cc
+++ b/src/ic/ia32/ic-ia32.cc
@@ -770,6 +770,13 @@ void KeyedStoreIC::GenerateMiss(MacroAssembler* masm) {
   __ TailCallRuntime(Runtime::kKeyedStoreIC_Miss);
 }
 
+void KeyedStoreIC::GenerateSlow(MacroAssembler* masm) {
+  // Return address is on the stack.
+  StoreIC_PushArgs(masm);
+
+  // Do tail-call to runtime routine.
+  __ TailCallRuntime(Runtime::kKeyedStoreIC_Slow);
+}
 
 #undef __