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

third_party/WebKit/Source/core/layout/TextAutosizer.cpp

Index: third_party/WebKit/Source/core/layout/TextAutosizer.cpp
diff --git a/third_party/WebKit/Source/core/layout/TextAutosizer.cpp b/third_party/WebKit/Source/core/layout/TextAutosizer.cpp
index 170f3dadf224cf4e0c66d7da688a5cce75b757f2..2c31ac1701fc1fb3cb84974f6bf446dc7f686a08 100644
--- a/third_party/WebKit/Source/core/layout/TextAutosizer.cpp
+++ b/third_party/WebKit/Source/core/layout/TextAutosizer.cpp
@@ -1275,7 +1275,7 @@ void TextAutosizer::FingerprintMapper::assertMapsAreConsistent() {
     for (BlockSet::iterator blockIt = blocks->begin(); blockIt != blocks->end();
          ++blockIt) {
       const LayoutBlock* block = (*blockIt);
-      ASSERT(m_fingerprints.get(block) == fingerprint);
+      ASSERT(m_fingerprints.at(block) == fingerprint);
     }
   }
 }
@@ -1338,13 +1338,13 @@ bool TextAutosizer::FingerprintMapper::remove(LayoutObject* layoutObject) {
 
 TextAutosizer::Fingerprint TextAutosizer::FingerprintMapper::get(
     const LayoutObject* layoutObject) {
-  return m_fingerprints.get(layoutObject);
+  return m_fingerprints.at(layoutObject);
 }
 
 TextAutosizer::BlockSet*
 TextAutosizer::FingerprintMapper::getTentativeClusterRoots(
     Fingerprint fingerprint) {
-  return m_blocksForFingerprint.get(fingerprint);
+  return m_blocksForFingerprint.at(fingerprint);
 }
 
 TextAutosizer::LayoutScope::LayoutScope(LayoutBlock* block,