Revert 13105: "Enable stub generation using Hydrogen/Lithium."

src/x64/code-stubs-x64.h

Index: src/x64/code-stubs-x64.h
diff --git a/src/x64/code-stubs-x64.h b/src/x64/code-stubs-x64.h
index 71cef58434fb361a4f206faa816abf31221fbda2..ab8ea76c8f617893c4292ad0c07ed81961665021 100644
--- a/src/x64/code-stubs-x64.h
+++ b/src/x64/code-stubs-x64.h
@@ -37,7 +37,7 @@ namespace internal {
 
 // Compute a transcendental math function natively, or call the
 // TranscendentalCache runtime function.
-class TranscendentalCacheStub: public PlatformCodeStub {
+class TranscendentalCacheStub: public CodeStub {
  public:
   enum ArgumentType {
     TAGGED = 0,
@@ -60,7 +60,7 @@ class TranscendentalCacheStub: public PlatformCodeStub {
 };
 
 
-class StoreBufferOverflowStub: public PlatformCodeStub {
+class StoreBufferOverflowStub: public CodeStub {
  public:
   explicit StoreBufferOverflowStub(SaveFPRegsMode save_fp)
       : save_doubles_(save_fp) { }
@@ -79,7 +79,7 @@ class StoreBufferOverflowStub: public PlatformCodeStub {
 };
 
 
-class UnaryOpStub: public PlatformCodeStub {
+class UnaryOpStub: public CodeStub {
  public:
   UnaryOpStub(Token::Value op,
               UnaryOverwriteMode mode,
@@ -216,7 +216,7 @@ enum StringAddFlags {
 };
 
 
-class StringAddStub: public PlatformCodeStub {
+class StringAddStub: public CodeStub {
  public:
   explicit StringAddStub(StringAddFlags flags) : flags_(flags) {}
 
@@ -238,7 +238,7 @@ class StringAddStub: public PlatformCodeStub {
 };
 
 
-class SubStringStub: public PlatformCodeStub {
+class SubStringStub: public CodeStub {
  public:
   SubStringStub() {}
 
@@ -250,7 +250,7 @@ class SubStringStub: public PlatformCodeStub {
 };
 
 
-class StringCompareStub: public PlatformCodeStub {
+class StringCompareStub: public CodeStub {
  public:
   StringCompareStub() {}
 
@@ -287,7 +287,7 @@ class StringCompareStub: public PlatformCodeStub {
 };
 
 
-class NumberToStringStub: public PlatformCodeStub {
+class NumberToStringStub: public CodeStub {
  public:
   NumberToStringStub() { }
 
@@ -316,7 +316,7 @@ class NumberToStringStub: public PlatformCodeStub {
 };
 
 
-class StringDictionaryLookupStub: public PlatformCodeStub {
+class StringDictionaryLookupStub: public CodeStub {
  public:
   enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP };
 
@@ -378,7 +378,7 @@ class StringDictionaryLookupStub: public PlatformCodeStub {
 };
 
 
-class RecordWriteStub: public PlatformCodeStub {
+class RecordWriteStub: public CodeStub {
  public:
   RecordWriteStub(Register object,
                   Register value,
@@ -561,7 +561,7 @@ class RecordWriteStub: public PlatformCodeStub {
     Register GetRegThatIsNotRcxOr(Register r1,
                                   Register r2,
                                   Register r3) {
-      for (int i = 0; i < Register::NumAllocatableRegisters(); i++) {
+      for (int i = 0; i < Register::kNumAllocatableRegisters; i++) {
         Register candidate = Register::FromAllocationIndex(i);
         if (candidate.is(rcx)) continue;
         if (candidate.is(r1)) continue;