[inspector] fixed one more size_t -> int conversion

test/inspector/inspector-test.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.
 
 #if !defined(_WIN32) && !defined(_WIN64)
 #include <unistd.h>  // NOLINT
 #endif               // !defined(_WIN32) && !defined(_WIN64)
 
 #include "include/libplatform/libplatform.h"
 #include "include/v8.h"
@@ skipping 139 matching lines @@
           new ExecuteStringTask(ToVector(args[0].As<v8::String>())));
     }
   }
 };
 
 v8::Local<v8::String> ToString(v8::Isolate* isolate,
                                const v8_inspector::StringView& string) {
   if (string.is8Bit())
     return v8::String::NewFromOneByte(isolate, string.characters8(),
                                       v8::NewStringType::kNormal,
-                                      string.length())
+                                      static_cast<int>(string.length()))
         .ToLocalChecked();
   else
     return v8::String::NewFromTwoByte(isolate, string.characters16(),
                                       v8::NewStringType::kNormal,
-                                      string.length())
+                                      static_cast<int>(string.length()))
         .ToLocalChecked();
 }
 
 class FrontendChannelImpl : public InspectorClientImpl::FrontendChannel {
  public:
   explicit FrontendChannelImpl(TaskRunner* frontend_task_runner)
       : frontend_task_runner_(frontend_task_runner) {}
   virtual ~FrontendChannelImpl() {}
 
   void SendMessageToFrontend(const v8_inspector::StringView& message) final {
@@ skipping 67 matching lines @@
       fprintf(stderr, "Internal error: script file doesn't exists: %s\n",
               argv[i]);
       Exit();
     }
     frontend_runner.Append(new ExecuteStringTask(chars));
   }
 
   frontend_runner.Join();
   return 0;
 }