[compiler] Add baseline tier to compilation pipeline.

src/builtins.h

Index: src/builtins.h
diff --git a/src/builtins.h b/src/builtins.h
index e01f95916db794b8251576bf6ff8183f93f808bc..30830cb45efe69652e8f3fcc4efeb7d0c34c2417 100644
--- a/src/builtins.h
+++ b/src/builtins.h
@@ -215,6 +215,7 @@ inline bool operator&(BuiltinExtraArguments lhs, BuiltinExtraArguments rhs) {
   V(JSConstructEntryTrampoline, BUILTIN, UNINITIALIZED, kNoExtraICState)       \
   V(ResumeGeneratorTrampoline, BUILTIN, UNINITIALIZED, kNoExtraICState)        \
   V(CompileLazy, BUILTIN, UNINITIALIZED, kNoExtraICState)                      \
+  V(CompileBaseline, BUILTIN, UNINITIALIZED, kNoExtraICState)                  \
   V(CompileOptimized, BUILTIN, UNINITIALIZED, kNoExtraICState)                 \
   V(CompileOptimizedConcurrent, BUILTIN, UNINITIALIZED, kNoExtraICState)       \
   V(NotifyDeoptimized, BUILTIN, UNINITIALIZED, kNoExtraICState)                \
@@ -438,6 +439,7 @@ class Builtins {
                                BuiltinExtraArguments extra_args);
   static void Generate_ConstructedNonConstructable(MacroAssembler* masm);
   static void Generate_CompileLazy(MacroAssembler* masm);
+  static void Generate_CompileBaseline(MacroAssembler* masm);
   static void Generate_InOptimizationQueue(MacroAssembler* masm);
   static void Generate_CompileOptimized(MacroAssembler* masm);
   static void Generate_CompileOptimizedConcurrent(MacroAssembler* masm);