[stubs] Remove unused StoreGlobalViaContextStub.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 40155c75ecc9368d947bd356b9fd4f775b3dda0b..aa519d59cc10714f9b12e85fc36649a9bd10f578 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -84,7 +84,6 @@ class ObjectLiteral;
   V(ToBooleanIC)                              \
   V(RegExpConstructResult)                    \
   V(TransitionElementsKind)                   \
-  V(StoreGlobalViaContext)                    \
   /* --- TurboFanCodeStubs --- */             \
   V(AllocateHeapNumber)                       \
   V(AllocateFloat32x4)                        \
@@ -1484,33 +1483,6 @@ class StoreGlobalStub : public TurboFanCodeStub {
   DEFINE_TURBOFAN_CODE_STUB(StoreGlobal, TurboFanCodeStub);
 };
 
-// TODO(ishell): remove, once StoreGlobalIC is implemented.
-class StoreGlobalViaContextStub final : public PlatformCodeStub {
- public:
-  static const int kMaximumDepth = 15;
-
-  StoreGlobalViaContextStub(Isolate* isolate, int depth,
-                            LanguageMode language_mode)
-      : PlatformCodeStub(isolate) {
-    minor_key_ =
-        DepthBits::encode(depth) | LanguageModeBits::encode(language_mode);
-  }
-
-  int depth() const { return DepthBits::decode(minor_key_); }
-  LanguageMode language_mode() const {
-    return LanguageModeBits::decode(minor_key_);
-  }
-
- private:
-  class DepthBits : public BitField<int, 0, 4> {};
-  STATIC_ASSERT(DepthBits::kMax == kMaximumDepth);
-  class LanguageModeBits : public BitField<LanguageMode, 4, 1> {};
-  STATIC_ASSERT(LANGUAGE_END == 2);
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(StoreGlobalViaContext);
-  DEFINE_PLATFORM_CODE_STUB(StoreGlobalViaContext, PlatformCodeStub);
-};
-
 class CallApiCallbackStub : public PlatformCodeStub {
  public:
   static const int kArgBits = 3;