[inspector] Build inspector under v8_enable_inspector build flag.

src/inspector/public/V8StackTrace.h

Index: src/inspector/public/V8StackTrace.h
diff --git a/src/inspector/public/V8StackTrace.h b/src/inspector/public/V8StackTrace.h
deleted file mode 100644
index e12b90763f1087d41eeaeca30fdf970a967afa44..0000000000000000000000000000000000000000
--- a/src/inspector/public/V8StackTrace.h
+++ /dev/null
@@ -1,34 +0,0 @@
-// Copyright 2016 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.
-
-#ifndef V8_INSPECTOR_PUBLIC_V8STACKTRACE_H_
-#define V8_INSPECTOR_PUBLIC_V8STACKTRACE_H_
-
-#include "src/inspector/public/StringBuffer.h"
-#include "src/inspector/public/StringView.h"
-#include "src/inspector/public/protocol/Runtime.h"
-
-namespace v8_inspector {
-
-class V8StackTrace {
- public:
-  virtual bool isEmpty() const = 0;
-  virtual StringView topSourceURL() const = 0;
-  virtual int topLineNumber() const = 0;
-  virtual int topColumnNumber() const = 0;
-  virtual StringView topScriptId() const = 0;
-  virtual StringView topFunctionName() const = 0;
-
-  virtual ~V8StackTrace() {}
-  virtual std::unique_ptr<protocol::Runtime::API::StackTrace>
-  buildInspectorObject() const = 0;
-  virtual std::unique_ptr<StringBuffer> toString() const = 0;
-
-  // Safe to pass between threads, drops async chain.
-  virtual std::unique_ptr<V8StackTrace> clone() = 0;
-};
-
-}  // namespace v8_inspector
-
-#endif  // V8_INSPECTOR_PUBLIC_V8STACKTRACE_H_