Refactor compilation dependency handling.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 722a5424c03dd86386af88cc41f5caf5c2d063b9..f16dc98a13e7ca3a1b6b2a1952c0c062e90a1cb8 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -5696,8 +5696,6 @@ class Code: public HeapObject {
 };
 
 
-class CompilationInfo;
-
 // This class describes the layout of dependent codes array of a map. The
 // array is partitioned into several groups of dependent codes. Each group
 // contains codes with the same dependency on the map. The array has the
@@ -5767,7 +5765,7 @@ class DependentCode: public FixedArray {
 
   bool Contains(DependencyGroup group, WeakCell* code_cell);
 
-  static Handle<DependentCode> InsertCompilationInfo(
+  static Handle<DependentCode> InsertCompilationDependencies(
       Handle<DependentCode> entries, DependencyGroup group,
       Handle<Foreign> info);
 
@@ -5778,8 +5776,8 @@ class DependentCode: public FixedArray {
   void UpdateToFinishedCode(DependencyGroup group, Foreign* info,
                             WeakCell* code_cell);
 
-  void RemoveCompilationInfo(DependentCode::DependencyGroup group,
-                             Foreign* info);
+  void RemoveCompilationDependencies(DependentCode::DependencyGroup group,
+                                     Foreign* info);
 
   void DeoptimizeDependentCodeGroup(Isolate* isolate,
                                     DependentCode::DependencyGroup group);
@@ -5797,9 +5795,6 @@ class DependentCode: public FixedArray {
   inline void copy(int from, int to);
   DECLARE_CAST(DependentCode)
 
-  static DependentCode* ForObject(Handle<HeapObject> object,
-                                  DependencyGroup group);
-
   static const char* DependencyGroupName(DependencyGroup group);
   static void SetMarkedForDeoptimization(Code* code, DependencyGroup group);
 
@@ -6357,10 +6352,6 @@ class Map: public HeapObject {
 
   inline bool CanOmitMapChecks();
 
-  static void AddDependentCompilationInfo(Handle<Map> map,
-                                          DependentCode::DependencyGroup group,
-                                          CompilationInfo* info);
-
   static void AddDependentCode(Handle<Map> map,
                                DependentCode::DependencyGroup group,
                                Handle<Code> code);
@@ -8563,12 +8554,6 @@ class AllocationSite: public Struct {
   static void DigestTransitionFeedback(Handle<AllocationSite> site,
                                        ElementsKind to_kind);
 
-  static void RegisterForDeoptOnTenureChange(Handle<AllocationSite> site,
-                                             CompilationInfo* info);
-
-  static void RegisterForDeoptOnTransitionChange(Handle<AllocationSite> site,
-                                                 CompilationInfo* info);
-
   DECLARE_PRINTER(AllocationSite)
   DECLARE_VERIFIER(AllocationSite)
 
@@ -8599,10 +8584,6 @@ class AllocationSite: public Struct {
                               kSize> BodyDescriptor;
 
  private:
-  static void AddDependentCompilationInfo(Handle<AllocationSite> site,
-                                          DependentCode::DependencyGroup group,
-                                          CompilationInfo* info);
-
   bool PretenuringDecisionMade() {
     return pretenure_decision() != kUndecided;
   }
@@ -9835,9 +9816,6 @@ class PropertyCell : public HeapObject {
   static Handle<PropertyCell> InvalidateEntry(Handle<NameDictionary> dictionary,
                                               int entry);
 
-  static void AddDependentCompilationInfo(Handle<PropertyCell> cell,
-                                          CompilationInfo* info);
-
   DECLARE_CAST(PropertyCell)
 
   // Dispatched behavior.