[inspector] fixed all shorten-64-to-32 warnings

src/inspector/v8-debugger-script.cc

 // Copyright 2014 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-debugger-script.h"
 
 #include "src/inspector/protocol-platform.h"
 #include "src/inspector/string-util.h"
 
 namespace v8_inspector {
 
 static const char hexDigits[17] = "0123456789ABCDEF";
 
-static void appendUnsignedAsHex(unsigned number, String16Builder* destination) {
+static void appendUnsignedAsHex(uint64_t number, String16Builder* destination) {
   for (size_t i = 0; i < 8; ++i) {
     UChar c = hexDigits[number & 0xF];
     destination->append(c);
     number >>= 4;
   }
 }
 
 // Hash algorithm for substrings is described in "Über die Komplexität der
 // Multiplikation in
 // eingeschränkten Branchingprogrammmodellen" by Woelfe.
@@ skipping 43 matching lines @@
 }
 
 static v8::Local<v8::Value> GetChecked(v8::Local<v8::Context> context,
                                        v8::Local<v8::Object> object,
                                        const char* name) {
   return object
       ->Get(context, toV8StringInternalized(context->GetIsolate(), name))
       .ToLocalChecked();
 }
 
-static int64_t GetCheckedInt(v8::Local<v8::Context> context,
-                             v8::Local<v8::Object> object, const char* name) {
-  return GetChecked(context, object, name)
-      ->ToInteger(context)
-      .ToLocalChecked()
-      ->Value();
+static int GetCheckedInt(v8::Local<v8::Context> context,
+                         v8::Local<v8::Object> object, const char* name) {
+  return static_cast<int>(GetChecked(context, object, name)
+                              ->ToInteger(context)
+                              .ToLocalChecked()
+                              ->Value());
 }
 
 V8DebuggerScript::V8DebuggerScript(v8::Local<v8::Context> context,
                                    v8::Local<v8::Object> object,
                                    bool isLiveEdit) {
   v8::Isolate* isolate = context->GetIsolate();
   v8::Local<v8::Value> idValue = GetChecked(context, object, "id");
   DCHECK(!idValue.IsEmpty() && idValue->IsInt32());
   m_id = String16::fromInteger(idValue->Int32Value(context).FromJust());
 
@@ skipping 37 matching lines @@
   m_sourceMappingURL = sourceMappingURL;
 }
 
 void V8DebuggerScript::setSource(v8::Isolate* isolate,
                                  v8::Local<v8::String> source) {
   m_source.Reset(isolate, source);
   m_hash = calculateHash(toProtocolString(source));
 }
 
 }  // namespace v8_inspector