third_party/WebKit: fix typos found in comments

third_party/WebKit/Source/bindings/core/v8/ScriptValueSerializer.cpp

Index: third_party/WebKit/Source/bindings/core/v8/ScriptValueSerializer.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScriptValueSerializer.cpp b/third_party/WebKit/Source/bindings/core/v8/ScriptValueSerializer.cpp
index 3bd0390146d9043f971387b6fb751005509455e8..6164d2f06f155084ff5f3494cdae5f8ac9a5f111 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ScriptValueSerializer.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/ScriptValueSerializer.cpp
@@ -676,7 +676,7 @@ ScriptValueSerializer::ScriptValueSerializer(SerializedScriptValueWriter& writer
     if (arrayBuffers) {
         for (size_t i = 0; i < arrayBuffers->size(); i++)  {
             v8::Local<v8::Object> v8ArrayBuffer = toV8Object(arrayBuffers->at(i).get(), creationContext, isolate());
-            // Coalesce multiple occurences of the same buffer to the first index.
+            // Coalesce multiple occurrences of the same buffer to the first index.
             if (!m_transferredArrayBuffers.contains(v8ArrayBuffer))
                 m_transferredArrayBuffers.set(v8ArrayBuffer, i);
         }