includes: move Label out of assembler.h.

test/cctest/interpreter/interpreter-tester.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
+#include "src/api.h"
 #include "src/execution.h"
 #include "src/handles.h"
 #include "src/interpreter/bytecode-array-builder.h"
 #include "src/interpreter/interpreter.h"
 #include "test/cctest/cctest.h"
 #include "test/cctest/test-feedback-vector.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
@@ skipping 102 matching lines @@
     }
     return function;
   }
 
   DISALLOW_COPY_AND_ASSIGN(InterpreterTester);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8