third_party/WebKit: fix typos found in comments

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "bindings/core/v8/ScriptValueSerializer.h"
 
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "bindings/core/v8/V8ArrayBufferView.h"
 #include "bindings/core/v8/V8Blob.h"
@@ skipping 675 matching lines @@
 {
     ASSERT(!tryCatch.HasCaught());
     v8::Local<v8::Object> creationContext = m_scriptState->context()->Global();
     if (messagePorts) {
         for (size_t i = 0; i < messagePorts->size(); i++)
             m_transferredMessagePorts.set(toV8Object(messagePorts->at(i).get(), creationContext, isolate()), i);
     }
     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);
         }
     }
     if (imageBitmaps) {
         for (size_t i = 0; i < imageBitmaps->size(); i++) {
             v8::Local<v8::Object> v8ImageBitmap = toV8Object(imageBitmaps->at(i).get(), creationContext, isolate());
             if (!m_transferredImageBitmaps.contains(v8ImageBitmap))
                 m_transferredImageBitmaps.set(v8ImageBitmap, i);
         }
@@ skipping 1518 matching lines @@
         return false;
     uint32_t objectReference = m_openCompositeReferenceStack[m_openCompositeReferenceStack.size() - 1];
     m_openCompositeReferenceStack.shrink(m_openCompositeReferenceStack.size() - 1);
     if (objectReference >= m_objectPool.size())
         return false;
     *object = m_objectPool[objectReference];
     return true;
 }
 
 } // namespace blink