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

third_party/WebKit/Source/core/layout/svg/SVGResourcesCache.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 63 matching lines @@
     resourceContainer->removeClient(object);
 }
 
 static inline SVGResourcesCache& resourcesCache(Document& document) {
   return document.accessSVGExtensions().resourcesCache();
 }
 
 SVGResources* SVGResourcesCache::cachedResourcesForLayoutObject(
     const LayoutObject* layoutObject) {
   ASSERT(layoutObject);
-  return resourcesCache(layoutObject->document()).m_cache.get(layoutObject);
+  return resourcesCache(layoutObject->document()).m_cache.at(layoutObject);
 }
 
 void SVGResourcesCache::clientLayoutChanged(LayoutObject* object) {
   SVGResources* resources = cachedResourcesForLayoutObject(object);
   if (!resources)
     return;
 
   // Invalidate the resources if either the LayoutObject itself changed,
   // or we have filter resources, which could depend on the layout of children.
   if (object->selfNeedsLayout() || resources->filter())
@@ skipping 67 matching lines @@
   ASSERT(layoutObject);
 
   SVGResources* resources = cachedResourcesForLayoutObject(layoutObject);
   if (resources)
     resources->removeClientFromCache(layoutObject);
   SVGResourcesCache& cache = resourcesCache(layoutObject->document());
   cache.removeResourcesFromLayoutObject(layoutObject);
 }
 
 }  // namespace blink