[inspector] Build inspector under v8_enable_inspector build flag.

src/inspector/ProtocolPlatform.h

Index: src/inspector/ProtocolPlatform.h
diff --git a/src/inspector/ProtocolPlatform.h b/src/inspector/ProtocolPlatform.h
index cb6d4f2dbea5e93b72929dc808d7dce65b1a23f8..c7723932b42465f0abb5d2f7f3f4dc5e42c1f05d 100644
--- a/src/inspector/ProtocolPlatform.h
+++ b/src/inspector/ProtocolPlatform.h
@@ -5,11 +5,17 @@
 #ifndef V8_INSPECTOR_PROTOCOLPLATFORM_H_
 #define V8_INSPECTOR_PROTOCOLPLATFORM_H_
 
-// TODO(dgozman): this file should be removed from v8_inspector.
+#include <memory>
 
-//#include "wtf/Assertions.h"
-//#include "wtf/PtrUtil.h"
+#include "src/base/logging.h"
 
-#include <memory>
+namespace v8_inspector {
+
+template <typename T>
+std::unique_ptr<T> wrapUnique(T* ptr) {
+  return std::unique_ptr<T>(ptr);
+}
+
+}  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_PROTOCOLPLATFORM_H_