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

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp

 /*
  * Copyright (C) 2009 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 185 matching lines @@
   return candidate;
 }
 
 WebGLRenderingContextBase* WebGLRenderingContextBase::oldestEvictedContext() {
   if (forciblyEvictedContexts().isEmpty())
     return nullptr;
 
   WebGLRenderingContextBase* candidate = nullptr;
   int generation = -1;
   for (WebGLRenderingContextBase* context : forciblyEvictedContexts().keys()) {
-    if (!candidate || forciblyEvictedContexts().get(context) < generation) {
+    if (!candidate || forciblyEvictedContexts().at(context) < generation) {
       candidate = context;
-      generation = forciblyEvictedContexts().get(context);
+      generation = forciblyEvictedContexts().at(context);
     }
   }
 
   return candidate;
 }
 
 void WebGLRenderingContextBase::activateContext(
     WebGLRenderingContextBase* context) {
   unsigned maxGLContexts = currentMaxGLContexts();
   unsigned removedContexts = 0;
@@ skipping 7617 matching lines @@
 
 void WebGLRenderingContextBase::getHTMLOrOffscreenCanvas(
     HTMLCanvasElementOrOffscreenCanvas& result) const {
   if (canvas())
     result.setHTMLCanvasElement(canvas());
   else
     result.setOffscreenCanvas(offscreenCanvas());
 }
 
 }  // namespace blink