Revert of [turbofan] Finally get rid of the generic algorithm.

src/compiler/js-inlining.h

Index: src/compiler/js-inlining.h
diff --git a/src/compiler/js-inlining.h b/src/compiler/js-inlining.h
index 87e6cc99669912a24a64265d96f062a281dad48f..8a4e0c178084a1a0ed4fc6689ce5216aa4c74b8c 100644
--- a/src/compiler/js-inlining.h
+++ b/src/compiler/js-inlining.h
@@ -19,9 +19,10 @@
   JSInliner(Zone* local_zone, CompilationInfo* info, JSGraph* jsgraph)
       : local_zone_(local_zone), info_(info), jsgraph_(jsgraph) {}
 
-  Reduction Reduce(Node* node) FINAL;
+  Reduction Reduce(Node* node) OVERRIDE;
 
  private:
+  friend class InlinerVisitor;
   Zone* local_zone_;
   CompilationInfo* info_;
   JSGraph* jsgraph_;
@@ -30,10 +31,11 @@
                                          Handle<JSFunction> jsfunction,
                                          Zone* temp_zone);
   void AddClosureToFrameState(Node* frame_state, Handle<JSFunction> jsfunction);
+  Reduction TryInlineJSCall(Node* node, Handle<JSFunction> jsfunction);
+  static void UnifyReturn(Graph* graph);
 };
-
-}  // namespace compiler
-}  // namespace internal
-}  // namespace v8
+}
+}
+}  // namespace v8::internal::compiler
 
 #endif  // V8_COMPILER_JS_INLINING_H_