[compiler] Add baseline tier to compilation pipeline.

src/objects.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/assert-scope.h"
@@ skipping 7472 matching lines @@
   // Get the abstract code associated with the function, which will either be
   // a Code object or a BytecodeArray.
   inline AbstractCode* abstract_code();
 
   // Tells whether this function inlines the given shared function info.
   bool Inlines(SharedFunctionInfo* candidate);
 
   // Tells whether or not this function has been optimized.
   inline bool IsOptimized();
 
-  // Mark this function for lazy recompilation. The function will be
-  // recompiled the next time it is executed.
+  // Mark this function for lazy recompilation. The function will be recompiled
+  // the next time it is executed.
+  void MarkForBaseline();
   void MarkForOptimization();
   void AttemptConcurrentOptimization();
 
-  // Tells whether or not the function is already marked for lazy
-  // recompilation.
+  // Tells whether or not the function is already marked for lazy recompilation.
+  inline bool IsMarkedForBaseline();
   inline bool IsMarkedForOptimization();
   inline bool IsMarkedForConcurrentOptimization();
 
   // Tells whether or not the function is on the concurrent recompilation queue.
   inline bool IsInOptimizationQueue();
 
   // Completes inobject slack tracking on initial map if it is active.
   inline void CompleteInobjectSlackTrackingIfActive();
 
   // [literals]: Fixed array holding the materialized literals.
@@ skipping 3287 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_