Centralize handler caching and probing in ic.cc.

src/stub-cache.h

Index: src/stub-cache.h
diff --git a/src/stub-cache.h b/src/stub-cache.h
index 6d2099db86dce87d1ebc33416d8be9d0270818f5..ae0c65d57748f12a97b22f91085e268f11bb3e25 100644
--- a/src/stub-cache.h
+++ b/src/stub-cache.h
@@ -90,14 +90,10 @@ class StubCache {
                       Code::Kind kind,
                       Code::ExtraICState extra_state = Code::kNoExtraICState);
 
-  Handle<Code> FindLoadHandler(Handle<Name> name,
-                               Handle<JSObject> receiver,
-                               Code::Kind kind);
-
-  Handle<Code> FindStoreHandler(Handle<Name> name,
-                                Handle<JSObject> receiver,
-                                Code::Kind kind,
-                                StrictModeFlag strict_mode);
+  Handle<Code> FindHandler(Handle<Name> name,
+                           Handle<JSObject> receiver,
+                           Code::Kind kind,
+                           StrictModeFlag strict_mode = kNonStrictMode);
 
   Handle<Code> ComputeMonomorphicIC(Handle<HeapObject> receiver,
                                     Handle<Code> handler,