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

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

Index: third_party/WebKit/Source/modules/webdatabase/DatabaseTracker.cpp
diff --git a/third_party/WebKit/Source/modules/webdatabase/DatabaseTracker.cpp b/third_party/WebKit/Source/modules/webdatabase/DatabaseTracker.cpp
index 75959e57448fd94ec526e46902f59084deb6e2a1..577eda7b66b4a829d3efaf342b403bc5d27aec8a 100644
--- a/third_party/WebKit/Source/modules/webdatabase/DatabaseTracker.cpp
+++ b/third_party/WebKit/Source/modules/webdatabase/DatabaseTracker.cpp
@@ -98,14 +98,14 @@ void DatabaseTracker::addOpenDatabase(Database* database) {
     m_openDatabaseMap = WTF::wrapUnique(new DatabaseOriginMap);
 
   String originString = database->getSecurityOrigin()->toRawString();
-  DatabaseNameMap* nameMap = m_openDatabaseMap->get(originString);
+  DatabaseNameMap* nameMap = m_openDatabaseMap->at(originString);
   if (!nameMap) {
     nameMap = new DatabaseNameMap();
     m_openDatabaseMap->set(originString, nameMap);
   }
 
   String name(database->stringIdentifier());
-  DatabaseSet* databaseSet = nameMap->get(name);
+  DatabaseSet* databaseSet = nameMap->at(name);
   if (!databaseSet) {
     databaseSet = new DatabaseSet();
     nameMap->set(name, databaseSet);
@@ -119,12 +119,12 @@ void DatabaseTracker::removeOpenDatabase(Database* database) {
     MutexLocker openDatabaseMapLock(m_openDatabaseMapGuard);
     String originString = database->getSecurityOrigin()->toRawString();
     ASSERT(m_openDatabaseMap);
-    DatabaseNameMap* nameMap = m_openDatabaseMap->get(originString);
+    DatabaseNameMap* nameMap = m_openDatabaseMap->at(originString);
     if (!nameMap)
       return;
 
     String name(database->stringIdentifier());
-    DatabaseSet* databaseSet = nameMap->get(name);
+    DatabaseSet* databaseSet = nameMap->at(name);
     if (!databaseSet)
       return;
 
@@ -177,11 +177,11 @@ void DatabaseTracker::closeDatabasesImmediately(SecurityOrigin* origin,
   if (!m_openDatabaseMap)
     return;
 
-  DatabaseNameMap* nameMap = m_openDatabaseMap->get(originString);
+  DatabaseNameMap* nameMap = m_openDatabaseMap->at(originString);
   if (!nameMap)
     return;
 
-  DatabaseSet* databaseSet = nameMap->get(name);
+  DatabaseSet* databaseSet = nameMap->at(name);
   if (!databaseSet)
     return;
 
@@ -222,11 +222,11 @@ void DatabaseTracker::closeOneDatabaseImmediately(const String& originString,
     if (!m_openDatabaseMap)
       return;
 
-    DatabaseNameMap* nameMap = m_openDatabaseMap->get(originString);
+    DatabaseNameMap* nameMap = m_openDatabaseMap->at(originString);
     if (!nameMap)
       return;
 
-    DatabaseSet* databaseSet = nameMap->get(name);
+    DatabaseSet* databaseSet = nameMap->at(name);
     if (!databaseSet)
       return;