[stubs] Removes the BranchIf.*() methods from CodeAssembler, changes their uses to Branch().

src/builtins/builtins-string.cc

Index: src/builtins/builtins-string.cc
diff --git a/src/builtins/builtins-string.cc b/src/builtins/builtins-string.cc
index c9c0a2985044a729efe2851205fcf71d39edd922..6b14e2510b773ea5f5004334041e174b043e3846 100644
--- a/src/builtins/builtins-string.cc
+++ b/src/builtins/builtins-string.cc
@@ -292,8 +292,8 @@ void GenerateStringRelationalComparison(CodeStubAssembler* assembler,
           assembler->Goto(&loop);
 
           assembler->Bind(&if_valueisnotsame);
-          assembler->BranchIf(assembler->Uint32LessThan(lhs_value, rhs_value),
-                              &if_less, &if_greater);
+          assembler->Branch(assembler->Uint32LessThan(lhs_value, rhs_value),
+                            &if_less, &if_greater);
         }
 
         assembler->Bind(&if_done);