Migrate WTF::HashMap::get() to ::at()

third_party/WebKit/Source/modules/webdatabase/DatabaseManager.cpp

 /*
  * Copyright (C) 2012 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 55 matching lines @@
   InspectorInstrumentation::AsyncTask asyncTask(database->getExecutionContext(),
                                                 callback);
   callback->handleEvent(database);
 }
 
 DatabaseContext* DatabaseManager::existingDatabaseContextFor(
     ExecutionContext* context) {
   ASSERT(m_databaseContextRegisteredCount >= 0);
   ASSERT(m_databaseContextInstanceCount >= 0);
   ASSERT(m_databaseContextRegisteredCount <= m_databaseContextInstanceCount);
-  return m_contextMap.get(context);
+  return m_contextMap.at(context);
 }
 
 DatabaseContext* DatabaseManager::databaseContextFor(
     ExecutionContext* context) {
   if (DatabaseContext* databaseContext = existingDatabaseContextFor(context))
     return databaseContext;
   return DatabaseContext::create(context);
 }
 
 void DatabaseManager::registerDatabaseContext(
     DatabaseContext* databaseContext) {
   ExecutionContext* context = databaseContext->getExecutionContext();
   m_contextMap.set(context, databaseContext);
 #if DCHECK_IS_ON()
   m_databaseContextRegisteredCount++;
 #endif
 }
 
 void DatabaseManager::unregisterDatabaseContext(
     DatabaseContext* databaseContext) {
   ExecutionContext* context = databaseContext->getExecutionContext();
-  ASSERT(m_contextMap.get(context));
+  ASSERT(m_contextMap.at(context));
 #if DCHECK_IS_ON()
   m_databaseContextRegisteredCount--;
 #endif
   m_contextMap.erase(context);
 }
 
 #if DCHECK_IS_ON()
 void DatabaseManager::didConstructDatabaseContext() {
   m_databaseContextInstanceCount++;
 }
@@ skipping 109 matching lines @@
                                                         createIfDoesNotExist);
 }
 
 void DatabaseManager::logErrorMessage(ExecutionContext* context,
                                       const String& message) {
   context->addConsoleMessage(
       ConsoleMessage::create(StorageMessageSource, ErrorMessageLevel, message));
 }
 
 }  // namespace blink