[inspector] change implementation file extension from cpp to cc

src/inspector/v8-internal-value-type.cc

 // 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.
 
-#include "src/inspector/V8InternalValueType.h"
+#include "src/inspector/v8-internal-value-type.h"
 
-#include "src/inspector/ProtocolPlatform.h"
-#include "src/inspector/StringUtil.h"
+#include "src/inspector/protocol-platform.h"
+#include "src/inspector/string-util.h"
 
 namespace v8_inspector {
 
 namespace {
 
 v8::Local<v8::Private> internalSubtypePrivate(v8::Isolate* isolate) {
   return v8::Private::ForApi(
       isolate,
       toV8StringInternalized(isolate, "V8InternalType#internalSubtype"));
 }
@@ skipping 49 matching lines @@
   if (!object->HasPrivate(context, privateValue).FromMaybe(false))
     return v8::Null(isolate);
   v8::Local<v8::Value> subtypeValue;
   if (!object->GetPrivate(context, privateValue).ToLocal(&subtypeValue) ||
       !subtypeValue->IsString())
     return v8::Null(isolate);
   return subtypeValue;
 }
 
 }  // namespace v8_inspector