IndexedDB: Restore access checks in inspector-only IDBFactory methods

third_party/WebKit/Source/modules/indexeddb/InspectorIndexedDBAgent.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 762 matching lines @@
     request_callback->sendFailure(response);
     return;
   }
 
   ScriptState* script_state = ToScriptStateForMainWorld(frame);
   if (!script_state) {
     request_callback->sendFailure(Response::InternalError());
     return;
   }
   ScriptState::Scope scope(script_state);
-  IDBRequest* idb_request = idb_factory->GetDatabaseNames(script_state);
+  DummyExceptionStateForTesting exception_state;
+  IDBRequest* idb_request =
+      idb_factory->GetDatabaseNames(script_state, exception_state);
+  if (exception_state.HadException()) {
+    request_callback->sendFailure(
+        Response::Error("Could not obtain database names."));
+    return;
+  }
   idb_request->addEventListener(
       EventTypeNames::success,
       GetDatabaseNamesCallback::Create(
           std::move(request_callback),
           document->GetSecurityOrigin()->ToRawString()),
       false);
 }
 
 void InspectorIndexedDBAgent::requestDatabase(
     const String& security_origin,
@@ skipping 213 matching lines @@
     request_callback->sendFailure(response);
     return;
   }
 
   ScriptState* script_state = ToScriptStateForMainWorld(frame);
   if (!script_state) {
     request_callback->sendFailure(Response::InternalError());
     return;
   }
   ScriptState::Scope scope(script_state);
+  DummyExceptionStateForTesting exception_state;
   IDBRequest* idb_request = idb_factory->CloseConnectionsAndDeleteDatabase(
-      script_state, database_name);
+      script_state, database_name, exception_state);
+  if (exception_state.HadException()) {
+    request_callback->sendFailure(
+        Response::Error("Could not delete database."));
+    return;
+  }
   idb_request->addEventListener(
       EventTypeNames::success,
       DeleteCallback::Create(std::move(request_callback),
                              document->GetSecurityOrigin()->ToRawString()),
       false);
 }
 
 DEFINE_TRACE(InspectorIndexedDBAgent) {
   visitor->Trace(inspected_frames_);
   InspectorBaseAgent::Trace(visitor);
 }
 
 }  // namespace blink