[csa] Remove redundant context parameter from NewConsString

This change allows passing no context to NewConsString,
since it's not used anyway.

Change-Id: I125e1dca90ff1b8d1c8695d5b688e8ff4e075044
Reviewed-on: https://chromium-review.googlesource.com/1190602
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55440}

src/code-stub-assembler.cc

@@ -3286,11 +3286,10 @@ TNode<String> CodeStubAssembler::AllocateTwoByteConsString(
                             second, flags);
 }
 
-TNode<String> CodeStubAssembler::NewConsString(Node* context, TNode<Smi> length,
+TNode<String> CodeStubAssembler::NewConsString(TNode<Smi> length,
                                                TNode<String> left,
                                                TNode<String> right,
                                                AllocationFlags flags) {
-  CSA_ASSERT(this, IsContext(context));
   // Added string can be a cons string.
   Comment("Allocating ConsString");
   Node* left_instance_type = LoadInstanceType(left);
@@ -6486,8 +6485,8 @@ TNode<String> CodeStubAssembler::StringAdd(Node* context, TNode<String> left,
     GotoIf(SmiLessThan(new_length, SmiConstant(ConsString::kMinLength)),
            &non_cons);
 
-    result = NewConsString(context, new_length, var_left.value(),
-                           var_right.value(), flags);
+    result =
+        NewConsString(new_length, var_left.value(), var_right.value(), flags);
     Goto(&done_native);
 
     BIND(&non_cons);

src/code-stub-assembler.h

@@ -1310,8 +1310,8 @@ class V8_EXPORT_PRIVATE CodeStubAssembler : public compiler::CodeAssembler {
 
   // Allocate an appropriate one- or two-byte ConsString with the first and
   // second parts specified by |left| and |right|.
-  TNode<String> NewConsString(Node* context, TNode<Smi> length,
-                              TNode<String> left, TNode<String> right,
+  TNode<String> NewConsString(TNode<Smi> length, TNode<String> left,
+                              TNode<String> right,
                               AllocationFlags flags = kNone);
 
   TNode<NameDictionary> AllocateNameDictionary(int at_least_space_for);