[inspector] Add some context scopes to inspector code

src/inspector/v8-regex.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/v8-regex.h"
 
 #include <limits.h>
 
 #include "src/inspector/string-util.h"
 #include "src/inspector/v8-inspector-impl.h"
@@ skipping 31 matching lines @@
   if (matchLength) *matchLength = 0;
 
   if (m_regex.IsEmpty() || string.isEmpty()) return -1;
 
   // v8 strings are limited to int.
   if (string.length() > INT_MAX) return -1;
 
   v8::Isolate* isolate = m_inspector->isolate();
   v8::HandleScope handleScope(isolate);
   v8::Local<v8::Context> context = m_inspector->regexContext();
+  v8::Context::Scope contextScope(context);
   v8::MicrotasksScope microtasks(isolate,
                                  v8::MicrotasksScope::kDoNotRunMicrotasks);
   v8::TryCatch tryCatch(isolate);
 
   v8::Local<v8::RegExp> regex = m_regex.Get(isolate);
   v8::Local<v8::Value> exec;
   if (!regex->Get(context, toV8StringInternalized(isolate, "exec"))
            .ToLocal(&exec))
     return -1;
   v8::Local<v8::Value> argv[] = {
@@ skipping 22 matching lines @@
   if (matchLength) {
     v8::Local<v8::Value> match;
     if (!result->Get(context, 0).ToLocal(&match)) return -1;
     *matchLength = match.As<v8::String>()->Length();
   }
 
   return matchOffset.As<v8::Int32>()->Value() + startFrom;
 }
 
 }  // namespace v8_inspector